Emulsifier composition comprising polyglyceryl fatty acid ester, polar wax, and lecithin
A composition of polyglyceryl ester, polar wax, and optionally lecithin stabilizes polyglyceryl-10 stearate, allowing it to maintain shape at elevated temperatures, addressing handling difficulties and enhancing stability.
Patent Information
- Application Number
- PCT/CN2025/075170
- Authority / Receiving Office
- WO · WO
- Patent Type
- Applications
- Current Assignee / Owner
- Priority Date
- 2024-03-22
- Filing Date
- 2025-01-26
- Publication Date
- 2025-08-07
AI Technical Summary
Polyglyceryl fatty acid esters, particularly polyglyceryl-10 stearate, are wax-like or paste-like solids that melt easily and lose their shape at elevated temperatures, making handling difficult.
A composition comprising polyglyceryl ester of C12-C20 fatty acid, polar wax, and optionally lecithin, formulated to maintain a stable shape even at elevated temperatures, with specific weight percentages and ratios of components.
The composition forms stable shapes like pellets or flakes with improved hardness and shape stability, facilitating easy handling and storage.
Smart Images

Figure PCTCN2025075170-FTAPPB-I100001 
Figure PCTCN2025075170-FTAPPB-I100002 
Figure PCTCN2025075170-FTAPPB-I100003
Abstract
Description
EMULSIFIER COMPOSITION COMPRISING POLYGLYCERYL FATTY ACID ESTER, POLAR WAX, AND LECITHINDESCRIPTIONFIELD OF THE INVENTION
[0001] The present invention relates to a composition, preferably for personal care, comprising polyglyceryl ester of C12-C20 fatty acid having glycerol units of 6 to 10, at least one polar wax, and, optionally, one or more lecithin and / or derivative thereof, and the uses of the composition in the form of a shaped body.BACKGROUND
[0002] Polyglyceryl fatty acid esters, also referred to as polyglyceryl fatty acid esters and PGFE, are useful environment-friendly surfactants which can be degraded in the environment. With HLB value customizable between 2 and 16 by selecting a proper degree of polymerization of glycerol, a proper type of fatty acid, and proper reaction conditions, they are widely used in food, pharmaceutical, cosmetic, leather and textile, paper, coating, plastic, rubber and dyeing and printing industries.
[0003] Polyglyceryl esters of C12-C20 fatty acids, also referred to as polyglyceryl C12-C20 fatty acid esters and PG C12-C20 fatty acid esters, preferably polyglyceryl-10 stearate, also referred to as polyglyceryl-10 stearate and PG-10 stearate, are one of the most widely used polyglyceryl fatty acid ester in personal care formulations. However, many of them, particularly polyglyceryl-10 stearate, are wax-like or paste-like solid, which melts easily and cannot maintain its original shape, in particular at elevated temperature. This makes the handling of the polyglyceryl-10 C12-C20 fatty acid ester, particularly polyglyceryl-10 stearate, a difficult job.
[0004] Therefore, there is a need in the art to have a composition comprising wax-like or paste-like polyglyceryl ester of C12-C20 fatty acid having glycerol units of 6 to 10, particularly polyglyceryl-10 stearate, which can be shaped into a stable shape with sufficient hardness, and maintain its shape even at elevated temperature, so that it can be handled easily.
[0005] Lecithin and its derivatives are widely used in skin care products as a cosmetic ingredient that occurs naturally. The present invention also solves a technical problem concerning use of lecithin in combination with polyglyceryl fatty acid ester, in particular polyglyceryl-10 stearate, in a stable shape, in particular at elevated temperature (e.g., higher than the room temperature) .SUMMARY OF THE INVENTION
[0006] The present invention provides a composition, preferably for personal care, comprising at least one wax-like or paste-like polyglyceryl ester of C12-C20 fatty acid having glycerol units of 6 to 10, preferably polyglyceryl-10 C12-C20 fatty acid ester, more preferably polyglyceryl-10 stearate, at least one polar wax, and, optionally, one or more lecithin and / or derivative thereof, and the uses of the composition in the form of a shaped body.
[0007] Therefore, the present invention provides the following:
[0008] 1. A composition, preferably for personal care, comprising at least one polyglyceryl ester of C12-C20 fatty acid having glycerol units of 6 to 10, preferably polyglyceryl-10 C12-C20 fatty acid ester, more preferably polyglyceryl-10 stearate, and at least one polar wax,
[0009] wherein the polyglyceryl ester of C12-C20 fatty acid ester is present preferably at 35 to 70 wt%, more preferably 40 to 65 wt%, most preferably 45 to 60 wt%, based on the total weight of the composition;
[0010] wherein the polar wax is selected from fatty acid ester-based waxes, fatty alcohol-based waxes, and combinations thereof;
[0011] wherein the polar wax is present preferably at 30 to 70 wt%, more preferably 35 to 65 wt%, most preferably 35 to 60 wt%, based on the total weight of the composition.
[0012] 2. The composition of item 1, wherein
[0013] the fatty alcohol-based wax is selected from saturated and / or unsaturated, branched and / or unbranched C12-C24 fatty alcohols,
[0014] the fatty acid ester-based wax is selected from esters of saturated and / or unsaturated, branched and / or unbranched C12-C24 alkanecarboxylic acids and saturated and / or unsaturated, branched and / or unbranched C12-C24 alcohols.
[0015] 3. The composition of item 2, wherein the fatty alcohol is selected from the group consisting of stearyl alcohol, cetyl alcohol, cetearyl alcohol, behenyl alcohol, myristyl alcohol, isostearyl alcohol, arachidyl alcohol, lignoceric alcohol, and combinations thereof, preferably the fatty alcohol is stearyl alcohol, cetyl alcohol, cetearyl alcohol, behenyl alcohol or a combination thereof.
[0016] 4. The composition of item 2, wherein the fatty acid ester-based wax is selected from myristyl myristate, myristyl palmitate, myristyl stearate, myristyl isostearate, myristyl oleate, myristyl behenate, myristyl erucate, cetyl myristate, cetyl palmitate, cetyl stearate, cetyl isostearate, cetyl oleate, cetyl behenate, cetyl erucate, stearyl myristate, stearyl palmitate, stearyl stearate, stearyl isostearate, stearyl oleate, stearyl behenate, stearyl erucate, isostearyl myristate, isostearyl palmitate, isostearyl stearate, isostearyl isostearate, isostearyl oleate, isostearyl behenate, isostearyl erucate, oleyl myristate, oleyl palmitate, oleyl stearate, oleyl isostearate, oleyl oleate, oleyl behenate, oleyl erucate, behenyl myristate, behenyl palmitate, behenyl stearate, behenyl isostearate, behenyl oleate, behenyl behenate, behenyl erucate, erucyl myristate, erucyl palmitate, erucyl stearate, erucyl isostearate, erucyl oleate, erucyl behenate, erucyl erucate, pentaerythrityl mono-myristate, pentaerythrityl mono-palmitate, pentaerythrityl mono-stearate, pentaerythrityl mono-isostearate, pentaerythrityl mono-oleate, pentaerythrityl mono-behenate, pentaerythrityl mono-erucate, pentaerythrityl di-myristate, pentaerythrityl di-palmitate, pentaerythrityl di-stearate, pentaerythrityl di-isostearate, pentaerythrityl di-oleate, pentaerythrityl di-behenate, pentaerythrityl di-erucate, glyceryl stearate, hydrogenated vegetable glycerides and tribehenin, preferably, the fatty acid ester-based wax is cetyl palmitate, pentaerythrityl di-stearate, tribehenin, hydrogenated vegetable glycerides, or a combination thereof.
[0017] 5. The composition of any one of items 1 to 4, wherein
[0018] the fatty alcohol-based wax is cetearyl alcohol, behenyl alcohol or a combination thereof; and / or
[0019] the fatty acid ester-based wax is cetyl palmitate, pentaerythrityl di-stearate, hydrogenated vegetable glycerides, tribehenin or a combination thereof.
[0020] 6. The composition of any one of items 1 to 5, wherein the polar wax is a combination of a fatty alcohol-based wax and a fatty acid ester-based wax,
[0021] preferably fatty alcohol-based wax and fatty acid ester wax are present at a weight ratio of 1: 10 to 10: 1, preferably 1: 8 to 8: 1, more preferably 1: 2 to 8: 1, still more preferably 1: 1 to 8: 1.
[0022] 7. The composition of item 5 or 6, wherein the fatty alcohol-based wax is selected from the group consisting of cetearyl alcohol, behenyl alcohol and a combination thereof, and the fatty acid ester-based wax is selected from the group consisting of cetyl palmitate, pentaerythrityl di-stearate, tribehenin, hydrogenated vegetable glycerides and a combination thereof.
[0023] 8. The composition of any one of items 1 to 7, wherein the composition further comprises one or more lecithin and / or derivative thereof, preferably hydrogenated lecithin;
[0024] preferably at 1 to 18 wt%, more preferably at 3 to 15 wt%, most preferably at 5 to 13 wt%, based on the total weight of the composition.
[0025] 9. The composition of any one of items 1 to 8, the at least one polyglyceryl ester of C12-C20 fatty acid having glycerol units of 6 to 10 is a wax-like or paste-like material.
[0026] 10. A shaped body, preferably a pellet, or a flake, of the composition of any one of items 1 to 9.
[0027] 11. A method for the handling, dosing and storing of a wax-like or paste-like polyglyceryl-10 C12-C20 fatty acid ester, preferably polyglyceryl-10 stearate, comprising a step of forming the shaped body of item 10, so that the wax-like or paste-like polyglyceryl-10 C12-C20 fatty acid ester, preferably polyglyceryl-10 stearate, can be handled, dosed and stored as an ingredient of the shaped body.
[0028] The composition of the present invention can be shaped into a stable shape, such as pellet and flake. The shaped body has improved hardness and has improved shape stability at elevated temperatures as compared to the shaped body produced using the polyglyceryl ester of C12-C20 fatty acid having glycerol units of 6 to 10, preferably polyglyceryl-10 C12-C20 fatty acid ester, more preferably polyglyceryl-10 stearate used in the composition per se.
[0029] DESCRIPTION TO THE FIGURES
[0030] Figure 1 shows the pellets produced from the composition of Formulation E.
[0031] DETAILED DISCLOSURE OF THE INVENTION
[0032] “Personal care formulation” refers to compositions, including but not limited to, creams, gels, solid sticks, aerosols, and soft-solid sticks, which can be topically applied to the keratinous tissues, including skin, hair, or nails in need of treatment.
[0033] All percentages and ratios used herein are by weight of the total composition and all measurements made are at 25 ℃., unless otherwise designated.
[0034] The term “keratinous tissue, ” as used herein, refers to keratin-containing layers disposed as the outermost protective covering of mammals (e.g., humans, dogs, cats, etc. ) which includes, but is not limited to, skin, mucosa, lips, hair, toenails, fingernails, cuticles, hooves, etc.
[0035] As used herein, “effective amount” means an amount of a compound or composition sufficient to significantly induce a positive keratinous tissue benefit, including independently or in combination with other benefits disclosed herein.
[0036] POLYGLYCERYL ESTER OF C12-C20 FATTY ACID
[0037] The composition of the present invention comprises at least one wax-like or paste-like polyglyceryl ester of C12-C20 fatty acid having glycerol units of 6 to 10, preferably polyglyceryl C12-C20 fatty acid ester.
[0038] Polyglyceryl-10 C12-C20 fatty acid ester can be prepared by polymerization of glycerol leading to the formation of polyglyceryl having an average degree of polymerization of 10; followed by the esterification of the hydroxyl groups of the polyglyceryl by a C12-C20 fatty acid, or transesterification using a lower alkyl ester of the C12-C20 fatty acid. Obviously, they are inevitably mixtures having different structures. For example, the polyglyceryl part of each of the polyglyceryl-10 C12-C20 fatty acid ester molecule may have a different degree of polymerization, the polyglyceryl parts may have a linear, branched or cyclic structure, the esterification of the polyglyceryl by the fatty acid may lead to the formation of mono-ester, di-ester, tri-ester, tetra-ester, penta-ester, and so on.
[0039] The polyglyceryl-10 C12-C20 fatty acid ester of the present invention is a wax-like or paste-like material at ambient temperature (25℃) .
[0040] In the context of the present invention, the term “wax-like material” at a given temperature means that the material is a solid at room temperature (25℃) , but will start to melt at slightly elevated temperature, such as at the temperature range of 40-65℃. In particular, the term “melt” is meant that the original shape is changed, and the material starts to stick or merge together.
[0041] In the context of the present invention, the term “paste-like material” at a given temperature means that the material is a solid fraction at ambient temperature (25℃) and undergoes a reversible solid / liquid change of state at slightly elevated temperature, such as at the temperature range of 40-65℃.
[0042] In other words, the “wax-like material” or “paste-like material” can be also called as “pasty material” .
[0043] In other words, the starting melting point of the “wax-like material” or “paste-like material” can be less than a temperature slightly higher than room temperature, for example 30℃.
[0044] The temperature that a material starts to melt can be determined by conventional means, such as by tracing the endothermic curve observed by differential scanning calorimetry (DSC) . The temperature that a DSC sample starts to melt is the temperature corresponding to the starting of the endothermic peak of the endothermic curve representing the variation in the difference in absorbed power versus the temperature.
[0045] In a preferred embodiment of the present invention, the C12-C20 fatty acid can be selected from the group consisting of saturated and unsaturated, preferably mono-unsaturated, linear or branched, preferably linear, fatty acids, such as lauric acid, myristic acid, palmitic acid, palmitoleic acid, stearic acid, oleic acid, linoleic acid, linolenic acid, ricinoleic acid, arachidic acid, or mixtures thereof.
[0046] Polyglyceryl-10 stearate
[0047] In a preferred embodiment of the present invention, the polyglyceryl-10 C12-C20 fatty acid ester is polyglyceryl-10 stearate, which is a mixture of a mono-ester, di-ester, tri-ester and tetra-ester.
[0048] The polyglyceryl-10 stearate is commercially available under the trade name of, for example, Verde 10 MS from BASF.
[0049] POLAR WAX
[0050] The composition of the present invention further comprises at least one polar wax.
[0051] In the context of the present invention, the term "wax" refers to a hydrophobic material that is solid at ambient temperature (25℃) , with a solid / liquid reversible change of state, having a melting point of greater than or equal to 30℃, which may be up to 200℃ and particularly up to 120℃.
[0052] In one embodiment of the present invention, the waxes of the present invention have a melting point of greater than or equal to 45℃, particularly greater than or equal to 55℃.
[0053] Melting point of the waxes can be determined by conventional means, such as by tracing the endothermic curve observed by DSC. The melting point of the DSC sample is the temperature corresponding to the top of the endothermic peak of the endothermic curve representing the variation in the difference in absorbed power versus the temperature.
[0054] Further in the context of the present invention, the term “polar wax” means that the wax has a solubility parameter at 25℃ of other than 0 (J / cm3) 1 / 2.
[0055] The definition and calculation of the solubility parameters in the Hansen three-dimensional solubility space are described by C. M. Hansen in "The three-dimensional solubility parameters" , J. Paint Technol. 39, 105 (1967) .
[0056] Fatty alcohol-based waxes
[0057] In one embodiment of the present invention, the polar wax of the present invention is a fatty alcohol-based wax selected from saturated and / or unsaturated, branched and / or unbranched C12-C24 alcohols.
[0058] In a preferred embodiment of the present invention, the fatty alcohol-based wax is selected from stearyl alcohol, cetyl alcohol, cetearyl alcohol, behenyl alcohol, myristyl alcohol, isostearyl alcohol, arachidyl alcohol, lignoceric alcohol, and combinations thereof, preferably the fatty alcohol is stearyl alcohol, cetyl alcohol, cetearyl alcohol, behenyl alcohol or a combination thereof.
[0059] In a more preferred embodiment of the present invention, the fatty alcohol-based wax is selected from the group consisting of cetearyl alcohol (also referred to as cetostearyl alcohol and cetylstearyl alcohol, which is a mixture of primarily cetyl alcohol and stearyl alcohol) , behenyl alcohol, and combinations thereof.
[0060] Fatty acid ester-based waxes
[0061] In one embodiment of the present invention, the polar wax of the present invention is a fatty acid ester-based wax selected from esters of saturated and / or unsaturated, branched and / or unbranched C12-C24 alkanecarboxylic acids and saturated and / or unsaturated, branched and / or unbranched C12-C24 alcohols.
[0062] The C12-C24 alcohol can also be polyol. In such case, the fatty acid ester-based wax is polyester, such as a di-ester, a tri-ester, a tetra-ester, a penta-ester, and so on.
[0063] In a preferred embodiment of the present invention, the fatty acid ester-based wax is selected from: myristyl myristate, myristyl palmitate, myristyl stearate, myristyl isostearate, myristyl oleate, myristyl behenate, myristyl erucate, cetyl myristate, cetyl palmitate, cetyl stearate, cetyl isostearate, cetyl oleate, cetyl behenate, cetyl erucate, stearyl myristate, stearyl palmitate, stearyl stearate, stearyl isostearate, stearyl oleate, stearyl behenate, stearyl erucate, isostearyl myristate, isostearyl palmitate, isostearyl stearate, isostearyl isostearate, isostearyl oleate, isostearyl behenate, isostearyl erucate, oleyl myristate, oleyl palmitate, oleyl stearate, oleyl isostearate, oleyl oleate, oleyl behenate, oleyl erucate, behenyl myristate, behenyl palmitate, behenyl stearate, behenyl isostearate, behenyl oleate, behenyl behenate, behenyl erucate, erucyl myristate, erucyl palmitate, erucyl stearate, erucyl isostearate, erucyl oleate, erucyl behenate, erucyl erucate, pentaerythrityl mono-myristate, pentaerythrityl mono-palmitate, pentaerythrityl mono-stearate, pentaerythrityl mono-isostearate, pentaerythrityl mono-oleate, pentaerythrityl mono-behenate, pentaerythrityl mono-erucate, and pentaerythrityl di-myristate, pentaerythrityl di-palmitate, pentaerythrityl di-stearate, pentaerythrityl di-isostearate, pentaerythrityl di-oleate, pentaerythrityl di-behenate, pentaerythrityl di-erucate, glyceryl stearate, hydrogenated vegetable glycerides, and tribehenin.
[0064] In a more preferred embodiment of the present invention, the fatty acid ester-based wax is cetyl palmitate, pentaerythrityl di-stearate, tribehenin, hydrogenated vegetable glycerides, or a combination thereof.
[0065] Combination of polar waxes
[0066] In a preferred embodiment of the present invention, the polar wax useful in the present invention can be selected from the combinations of at least one fatty alcohol-based wax and at least one fatty acid ester-based wax.
[0067] In a further preferred embodiment of the present invention, the weight ratio of the fatty alcohol-based wax and the fatty acid ester-based wax is 1: 10 to 10: 1, preferably 1: 8 to 8: 1, more preferably 1: 2 to 8: 1, still more preferably 1: 1 to 8: 1.
[0068] The combination of a fatty alcohol-based wax and a fatty acid ester-based wax can be obtained by mixing the fatty alcohol-based wax and a fatty acid ester-based wax. In addition, it is also possible to obtain the mixture by partial esterification of the fatty alcohol by the fatty acid.
[0069] The partial esterification of the fatty alcohol by the fatty acid can be carried out in a manner that is well known in the art. For example, the reaction can take place with removal of water, for example by azeotropic distillation. The reaction can be catalyzed by, for example, strong mineral acid such as sulfuric acid or hydrochloric acid, Lewis acid such as boron trifluoride, tin and zinc salts, aluminum halides, and organo-titanates, and cation-exchange resin and zeolites. The reaction process can be monitored by measuring the amount of water removed. The produced reaction mixture can be used either as such, or after optional work-up steps to remove undesirable impurities, such as residue catalyst or derivative thereof.
[0070] It should be noticed that, as the fatty alcohol is used in large excess, the fatty acid ester produced will be largely mono-ester.
[0071] LECITHIN
[0072] Optionally, the composition of the present invention further comprises at least one lecithin and / or derivative thereof, preferably hydrogenated lecithin.
[0073] In the art, the term lecithin refers to phosphatidylcholine having the following formula:
[0074] However, the term is also be used to describe crude phospholipid mixtures containing phosphatidylcholine (PC) , phosphatidylethanolamine (PE) , phosphatidylinositol (PI) , other phospholipids, and a variety of other compounds such as fatty acids, triglycerides, sterols, carbohydrates, and glycolipids.
[0075] In practice, lecithin is commercially available in more than 40 different formulations varying from crude oily extracts from natural sources to purified and synthetic phospholipids. Many of these products are defined according to the stage of the purification process from which they are obtained.
[0076] In the context of the present invention, any commercial lecithin can be used regardless of their exact chemical composition.
[0077] Lecithins are widely used as nutritional supplement, emulsifier, stabilizer, conditioning and release agent, and antioxidant in food; as moisturizer, emulsifier, stabilizer, conditioner and softener in cosmetics and soaps; as wetting agent, dispersant, suspending agent, emulsifier and stabilizer in inks, dyes and paints; as dielectric source, excipients and an active drug in pharmaceuticals; as dispersant for pigments, slip and releasing agent in plastics; as emulsifier, wetting agent, softener and conditioner in textiles, and so on.
[0078] Lecithin can be derivatized in various ways, such as being hydrogenated to produce hydrogenated lecithin.
[0079] Hydrogenated Lecithin is preferably used in cosmetics and personal care products due to its high hydrating properties, and the capability of reducing symptoms of dryness and irritation by deeply moisturizing the surface. Hydrogenated Lecithin also mixes well with oil and water-based ingredients, thus acting as a good emulsifier in the products. It also improves the feel of both the product and the surface on which it is applied.
[0080] The most significant character of hydrogenated lecithin is its iodine number. Typically, commercial lecithin has an iodine number of 60-90. The preferred hydrogenated lecithin of the present invention has an iodine value of less than 10. However, those skilled in the art will understand that the exact iodine number of the hydrogenated lecithin is not important.
[0081] OTHER COMPONENTS
[0082] The composition of the present invention may have other cosmetic components, such as conditioning agents which include oils / emollients and humectants, cosmetic active ingredients and / or pharmaceutical actives, rheology modifiers or thickening agents, pigments, chelating agent, exfoliants, pH adjuster and additional emulsifiers.
[0083] In one embodiment of the present invention, the composition of the present invention may further include at least one oil component / emollient and at least one humectant.
[0084] The humectant often aids in increasing the effectiveness of the emollient, reduces scaling, stimulates removal of built-up scale, and improves skin feel. Typical polyhydric alcohols include glycerol, polyalkylene glycols and more preferably alkylene polyols and their derivatives, including propylene glycol, dipropylene glycol, polypropylene glycol, polyethylene glycol and derivatives thereof, sorbitol, hydroxypropyl sorbitol, hexylene glycol, 1, 3-butylene glycol, 1, 2, 6-hexanetriol, ethoxylated glycerol, propoxylated glycerol and mixtures thereof.
[0085] The oil component / emollient may be selected from the group consisting of oils of animal or plant origin, synthetic glycerides, fatty esters, fatty alcohols and aliphatic hydrocarbons. These materials may be volatile or non-volatile. Suitable oil may be selected from aliphatic hydrocarbons, plant oils, fatty alcohols, esters of fatty alcohols and / or fatty acids other than animal or plant oils and synthetic glycerides, or mixtures thereof. Particularly suitable oil may be selected from the group consisting of plant oils, esters of fatty alcohols, and mixtures thereof.
[0086] Suitable plant oils for use in the cosmetic composition of the present invention may nonexclusively include linseed oil, camellia oil, sunflower oil, apricot oil, hazelnut oil, vegetable squalane oil, sasanqua oil, grapeseed oil, peanut oil, coconut oil, palm kernel oil, soybean oil, macadamia nut oil, avocado oil, safflower oil, sweet almond oil, apricot oil, corn oil, jojoba oil, olive oil, sesame oil, palm oil, eucalyptus oil, rosemary oil, lavender oil, pine oil, thyme oil, mint oil, cardamom oil, orange-blossom oil, bran oil, rice oil, rapeseed oil, castor oil, and mixtures thereof.
[0087] Suitable animal oils for use in the cosmetic composition of the present invention may nonexclusively include squalene, perhydrosqualene, squalane and mixtures thereof.
[0088] Suitable fatty esters or esters of fatty alcohols for use in the cosmetic composition of the present invention may include fatty acid polyglycerides for example diglyceride, triglycerides, preferably triglyceryl esters of saturated and / or unsaturated, branched and / or unbranched alkanecarboxylic acids with a chain length of from 6 to 24, in particular 6 to 18 carbon atoms more preferably triethylhexanoin and caprylic capric triglyceride, dialkyl carbonate such as dioctyl carbonate and dicaprylyl carbonate, diisopropyl sebacate, ethyl laurate, butyl laurate, hexyl laurate, isohexyl laurate, isopropyl laurate, methyl myristate, ethyl myristate, butyl myristate, isobutyl myristate, isopropyl myritate, 2-octyldodecyl myristate, 2-ethylhexyl monococoate (or octyl monococoate) , ethyl palmitate, isopropyl palmitate, isobutyl palmitate, 2-ethylhexyl palmitate (or octyl palmitate) , butyl stearate, isopropyl stearate, isobutyl stearate, isocetyl stearate, isosteary isostearate, isopropyl isostearate, 2-ethylhexyl stearate (or octyl stearate) , decyl oleate, isononyl isononanoate, tridecyl neopentanoate, isocetyl neopentanoate, isostearyl neopentanoate, octyldodecyl neopentanoate and isoarachidyl neopentanoate, and mixtures thereof.
[0089] In an embodiment, the suitable oils may be commercially available, for example as GTEH, GTEH-SD, 318 RC, CC, PS6, C24 RC, ININ, SN-1 SD, and ULTIMATE from BASF. All commercially available (from BASF) and cosmetically acceptable oils or mixtures thereof are suitable for use in the compositions of the present invention.
[0090] In one embodiment of the present invention, the composition of the present invention may further include a cosmetic active ingredient (for example skin care actives including sugar amines, vitamin B3 compounds, phytosterols, salicylic acid compounds, hexamidines, dialkanoyl hydroxyproline compounds; flavonoids; n-acyl amino acid compounds) , or a pharmaceutical active agent, or mixtures thereof. The cosmetic active ingredients include antimicrobial and antifungal actives (preservative) , vitamins, anti-acne actives; anti-wrinkle, anti-skin atrophy and skin repair actives; skin barrier repair actives; non-steroidal cosmetic soothing actives; artificial tanning agents and accelerators; skin lightening actives; sunscreen actives (UV filters) ; cellular stimulants; sebum inhibitors; anti-oxidants; protease inhibitors; skin tightening agents; anti-itch ingredients; hair growth inhibitors; 5-alpha reductase inhibitors; desquamating enzyme enhancers; anti-glycation agents; topical anesthetics, or mixtures thereof.
[0091] Non-limiting examples of cosmetic components include oil components / emollient, antiwrinkle / antiaging agents, cellular simulants, anti-inflammatory agents, preservatives, colorants, fragrances, flavors, pH adjusters, UV filters, antioxidants, chelating agents, absorbents, exfoliants, humectants, skin lightening agents, waterproofing agents, skin conditioning agents, or mixtures thereof.
[0092] “Cosmetic active ingredient” means an ingredient which can be used for regulating the condition of keratinous issue.
[0093] Suitable antiwrinkle / antiaging agents for use in the cosmetic composition of the present invention may nonexclusively include hydrolyzed eggshell membrane, atelocollagen, rice bran extract, rooibos extract and the like.
[0094] Suitable cellular stimulants for use in the cosmetic composition of the present invention may nonexclusively include sodium salt of deoxyribonucleic acid, yeast extract, Asian ginseng extract and the like.
[0095] Suitable anti-inflammatory agents for use in the cosmetic composition of the present invention may nonexclusively include allantoin, aloe vera extract, krantz aloe extract, chamomile extract, licorice extract, dipotassium glycyrrhizate and the like.
[0096] Suitable antioxidants for use in the cosmetic composition of the present invention may nonexclusively include vitamin E such as tocopherol acetate, d-δ-tocopherol, dl-α-tocopherol, natural vitamin E and the like; polyphenols such as glucosylrutin, tannic acid and the like; gallic acids such as gallic acid, propyl gallate and the like and a derivative thereof; plant extracts such as Japanese basil leaf extract, sage leaf extract and the like.
[0097] Suitable pH adjusters for use in the cosmetic composition of the present invention may nonexclusively include succinic acid, citric acid, sodium citrate, tartaric acid, sodium tartarate, sodium hydroxide, potassium hydroxide, triethanolamine, gluconolactone and the like.
[0098] Suitable colorants for use in the cosmetic composition of the present invention may nonexclusively include inorganic pigments such as iron blue, ultramarine blue, red iron oxide, black iron oxide, yellow iron oxide, talc, kaolin, manganese violet, carbon black and the like; natural dyes such as β-carotene, lycopene, shisonin, safflor yellow, shikonin, chlorophyll and the like, tar pigments such as red No. 102, red No. 201, Blue No. 202 and the like, lake pigments such as red No. 3 aluminum lake, yellow No. 4 aluminum lake, blue No. 1 barium lake and the like.
[0099] Suitable flavors for use in the cosmetic composition of the present invention may nonexclusively include natural flavors such as cinnamon oil, lavender oil, jasmine oil, peppermint oil, orange oil, rose oil and the like; synthetic flavors such as citronellol, eugenol, geraniol, menthol and the like.
[0100] In one embodiment of the present invention, the composition of the present invention may further include a rheology modifier or a thickening agent. Non-limiting examples of theology modifiers include sodium polyacrylate, carbomer, natural gum, natural gum derivative, clay, modified clay, cellulose, cellulose derivative, magnesium aluminum silicate, gellan gum, xanthan gum, starch, and modified starch, or mixtures thereof.
[0101] The composition of the present invention may also contain preservatives such as ethanol, parabens, butylated hydroxytoluene (BHT) , potassium sorbate, butylated hydroxyanisole (BHA) , chlorphenesin phenoxyethanol, ethylhexylglycerin, starch, benzoic acid and alkali metal and ammonium salts thereof (e.g. sodium benzoate) , sorbic acid and alkali metal and ammonium salts thereof (e.g. potassium sorbate) , p-Anisic acid and alkali metal and ammonium salts thereof, and salicylic acid and alkali metal and ammonium salts thereof.
[0102] In one embodiment of the present invention, the composition of the present invention may further include UV filters such as 1- (4′-tert-butylphenyl) -3- (4′-methoxyphenyl) propan-1, 3-dione, 1, 4-di (2-oxo-10-sulfo-3-bornylidenemethyl) benzene and salts thereof, 1-phenyl-3- (4′-isopropylphenyl) propan-1, 3-dione, 2- (2H-benzo-triazol-2-yl) -4-methyl-6- [2-methyl-3- [1, 3, 3, 3-tetramethyl-1- [ (trimethylsilyl) oxy] -disiloxanyl] propyl] phenol, hexyl 2- (4′-diethylamino-2′-hydroxybenzoyl) benzoate, 2, 2′-methylenebis (6- (2H-benzotriazol-2-yl) -4- (1, 1, 3, 3-tetra-methylbutyl) phenol, 2, 2′-dihydroxy-4-methoxybenzophenone, 2, 4, 6-tris (biphenyl) -1, 3, 5-triazine, 2, 4-bis (4′-dineopentyl-aminobenzalmalonate) -6- (4″-butylaminobenzoate) -s-triazine, 2, 4-bis [5-1 (dimethylpropyl) benzoxazol-2-yl- (4-phenyl) imino] -6- (2-ethylhexyl) imino-1, 3, 5-trazine with the (CAS No. 288254-16-0) , 2, 4-bis { [4- (1′, 1′, 1′, 3′, 5′, 5′, 5′-heptamethylsiloxy-2-methylpropyloxy) -2-hydroxyl] phenyl} -6- (4-methoxyphenyl) -1, 3, 5-triazine, 2, 4-bis { [4- (2-ethylhexyloxy) -2-hydroxyl] -phenyl} -6- (1-methylpyrrol-2-yl) -1, 3, 5-triazine, 2, 4-bis { [4- (2-ethylhexyloxy) -2-hydroxyl] phenyl} -6- (4-methoxyphenyl) -1, 3, 5-triazine (INCI: Bis-Ethylhexyloxyphenol Methoxyphenyl Triazine) , 2, 4-bis { [4- (2-ethylhexyloxy) -2-hydroxyl] phenyl} -6- [4- (2-methoxyethylcarboxyl) phenylamino] -1, 3, 5-triazine, 2, 4-bis { [4- (2-methylpropenyloxy) -2-hydroxyl] -phenyl} -6- (4-methoxyphenyl) -1, 3, 5-triazine, 2, 4-bis { [4- (3- (2-propyloxy) -2-hydroxypropyloxy) -2-hydroxyl] phenyl} -6- (4-methoxyphenyl) -1, 3, 5-triazine, 2, 4-bis { [4- (3- (2-propyloxy) -2-hydroxypropyloxy) -2-hydroxy} phenyl} -6- [4- (ethylcarboxyl) phenylamino] -1, 3, 5-triazine, 2, 4-bis { [4- (3-sulfonato) -2-hydroxypropyloxy) -2-hydroxy] phenyl} -6- (4-methoxyphenyl) -1, 3, 5-triazine sodium salt, 2, 4-bis { [4-tris (trimethylsiloxysilylpropyloxy) -2-hydroxy] phenyl} -6- (4-methoxyphenyl) -1, 3, 5-triazine, 2-ethylhexyl methoxycinnamate, 2-ethylhexyl-2-cyano-3, 3, -diphenylacrylate (octocrylene) , 2-ethylhexyl 2-hydroxybenzoate, 2-hydroxy-4-methoxy-4′-methylbenzophenone, 2-hydroxy-4-methoxybenzophenone, 2-methyl-5- (2-oxo-3-bornylidenemethyl) sulfonic acid and salts thereof, 2-phenylbenzimidazole-5-sulfonic acid salts, 3- (4- (2, 2-bis-ethoxycarbonylvinyl) phenoxy) propenyl) methoxysiloxane / dimethylsiloxane copolymer, 3- (4-methylbenzylidene) camphor, 3-benzylidenecamphor, 4- (2-oxo-3-bornylidenemethyl) -benzenesulfonic acid, 4- (2-oxo-3-bornylidenemethyl) benzenesulfonic acid salts, 2-ethylhexyl 4- (dimethylamino) benzoate, amyl 4- (dimethylamino) benzoate, 4- (tert-butyl) -4′-methoxydibenzoylmethane, tris (2-ethylhexyl) 4, 4′, 4″- (1, 3, 5-triazine- 2, 4, 6-triyltriimino) trisbenzoate (also: 2, 4, 6-tris [aniline (p-carbo-2′-ethyl-1′-hexyloxy) ] -1, 3, 5-triazine (INCI: Ethylhexyl Triazone) , 4-dicyanomethylene-2, 6-dimethyl-1, 4-di-hydropyridine-N- (ethyloxysulfate ester salt) , 4-dicyanomethylene-2, 6-dimethyl-1, 4-dihydropyridine-N- (ethyloxysulfate ester salt) the monosodium salt, 4-isopropylbenzyl salicylate, di (2-ethylhexyl) 4-methoxybenzalmalonate, 2-ethylhexyl 4-methoxycinnamate, isoamyl 4-methoxycinnamate, benzene-1, 4-di (2-oxo-3-bornylidenemethyl-10-sulfonic acid) , benzophenone-3, benzophenone-4, bis-ethylhexyloxyphenol methoxyphenol triazine ( S) , bisoctrizole, butylmethoxydibenzoylmethane, diethylaminohydroxybenzoyl hexylbenzoate, dimethicodiethyl benzalmalonate, dioctylbutylamidotriazone (INCI: Diethylhexyl-Butamidotriazone) , disodium phenyldibenzimidazoletetrasulfonate, ethylhexylmethoxycrylene, ethylhexylsalicylate (octylsalicylate) , ethylhexyl salicylate, homomethyl salicylate, homosalate, isoamyl p-methoxycinnamate, polysilicone-15, merocyanine, methylenebis-benzotriazolyltetramethylbutylphenol, titanium dioxide (with and without coating) , phenylbenzimidazolesulfonic acid, phenylene-1, 4-bis (2-benzimidazyl) -3, 3′-5, 5′-tetrasulfonic acid salts, piperazine derivatives, polysilicone-15, 2-ethylhexyl salicylate, 4-isopropylbenzyl salicylate, homomethyl salicylate, terephthalidenedicamphorsulfonic acid, terephthalidenecamphor sulfonic acid, and / or zinc oxide.
[0103] The composition of the present invention may further include pigments such as titanium dioxide, zinc oxide.
[0104] The composition of the present invention may further include additional emulsifiers such as 1, 2-propanediol fatty acid esters, acetoglycerides, acetylated mono / diglycerides, alkali metal and ammonium soaps, ammonium phosphatides, sorbitan monoisostearate, C10-C22 fatty acids, cetearyl sulfate, cetearyl glucosides, cetyl phosphate, citroglyceride esters, citric acid monoglycerides, diacetyltartaric acid monoglycerides, diisostearoylpolyglyceryl-3 diisostearate (Isolan PDI) , Emulsifier YN (trade name) , acetic acid monoglycerides, glyceryl laurate, glyceryl myristate, glyceryl oleate in combination with propylene glycol, isostearyl diglyceryl succinate, isostearyl glyceryl ether, potassium cetyl phosphate, lactoglycerides, lactylated mono / diglycerides, methylglucose sesquistearate, lactic acid monoglycerides, mono-and diglycerides of food fatty acids esterified with acetic acid and tartaric acid, monoglyceride acetate, monoglyceride citrate, monoglyceride diacetyltartrate, monoglyceride lactate, monoglyceride tartrate, Na, K and Ca salts of stearoyl-2-lactyllactic acid, Na, K and Ca stearoyl-2-lactoyllactate, Na, K and Ca stearoyl-2-lactyllactate, Na, K and Ca stearoyllactic acid, Na salt of laurylsulfuric acid, sodium cetyl phosphate, sodium cetylstearyl sulfate, sodium dodecylsulfate and / or dodecylhydrogensulfate, polyglyceryl-3 diisostearate (Lameform TGI) , polyglyceryl esters of interesterified ricinoleic acid, polyglyceryl fatty acid esters, polyglcyerol polyricinoleate, polyglyceryl dimerate isostearate, polyglyceryl polyricinoleate (Admul WOL 1403) , polyglyceryl-1 dipolyhydroxystearate (Dehymuls PGPH) , polyglyceryl-2 laurate, polyglyceryl-2 sesquiisostearate, polyglyceryl-3 beeswax (Cera Bellina) , polyglyceryl-3 cetyl ether (Chimexane NL) , polyglyceryl-3 distearate (Cremophor GS 32) , polyglyceryl-3 methylglucosedistearate (Tego Care 450) , polyglyceryl-3 oleate, polyglyceryl-3 methyl-glycosedistearate, polyglyceryl-4 caprate (polyglyceryl caprate T2010190) , polyglyceryl-4 diisostearate / poly-hydroxystearate / sebacate (Isolan GPS) , polyglyceryl-4 isostearate (Isolan GI 34) , polyoxyethylenestearic acid esters, polyoxystearate mono / diglyceride, rapeseed lecithin, saccharoglycerides, saccharose esters of food fatty acids, sorbates such as sorbitan monolaurate (Sorbate 20) , sorbitan dicitrate, sorbitan dierucate, sorbitan dihydroxystearate, sorbitan diisostearate, sorbitan dimaleate, sorbitan dioleate, sorbitan diricinoleate, sorbitan ditartrate, sorbitan monocitrate, sorbitan monoerucate, sorbitan monohydroxystearate, sorbitan monomaleate, sorbitan monoricinoleate, sorbitan monostearate (Sorbate 60) , sorbitan monotartrate, sorbitan sesquicitrate, sorbitan sesquierucate, sorbitan sesquihydroxystearate, sorbitan sesquiisostearate, sorbitan sesquimaleate, sorbitan sesquioleate, sorbitan sesquiricinoleate, sorbitan sesquitartrate, sorbitan tricitrate, sorbitan trierucate, sorbitan trihydroxystearate, sorbitan triisostearate, sorbitan monooleate, sorbitan trismaleate, sorbitan trioleate, sorbitan triricinoleate, sorbitan tristearate (sorbate 65) , sorbitan tritartrate, stearic acid and its salts, sucro esters, triethylcitrate, tartaric acid glycerides, tartaric acid monoglycerides and / or sugar fatty acid esters.
[0105] THE COMPOSITION
[0106] The inventive composition comprises polyglyceryl C12-C20 fatty acid having glycerol units of 6 to 10, preferably polyglyceryl-10 C12-C20 fatty acid ester, more preferably polyglyceryl-10 stearate, at least one polar wax, and, optionally, one or more lecithin and / or derivative thereof.
[0107] In one embodiment of the present invention, the content of the polyglyceryl-10 C12-C20 fatty acid ester, preferably polyglyceryl-10 stearate in the inventive composition is 35 to 70 wt%, more preferably 40 to 65 wt%, most preferably 45 to 60 wt%, and the content of the polar wax is 30 to 70 wt%, more preferably 35 to 65 wt%, most preferably 35 to 60 wt%, all based on the total weight of the composition.
[0108] In a preferred embodiment of the present invention wherein the inventive composition further comprises lecithin and / or derivative thereof, preferably hydrogenated lecithin, the content of the lecithin and / or derivative thereof, preferably hydrogenated lecithin is 1 to 18 wt%, more preferably at 3 to 15 wt%, most preferably at 5 to 13 wt%, based on the total weight of the composition.
[0109] The content of other additional components can be determined by those skilled in the art according to actual need.
[0110] Obviously, the total content of all the components of the composition is 100 wt%, based on the total weight of the composition.
[0111] THE SHAPED BODY
[0112] The composition can be shaped into a shaped body such as pellet and flake. Conventional means can be applied in the production of the shaped body. For example, the composition can be pelletized into a pellet of a proper size, such as 2 to 8 mm in diameter and 0.5 to 4 mm in thickness, using a pelletizer. It is also possible to feed the composition into an extruder at elevated temperature, extruding the strand of the composition into a cooling bath, and cut the strand into pellets with a proper size, such as 0.5 to 1 mm in diameter, and 1 to 2 mm in length. Those skilled in the art will understand that as long as desired size can be obtained, the method and apparatus used in the formation of the shaped body is not important in the present invention.
[0113] The shaped body has improved hardness and has improved shape stability at elevated temperatures as compared to the polyglyceryl-10 C12-C20 fatty acid ester used in the composition.
[0114] The shaped body of the present invention provides a convenient way of handling, dosing and storing of the wax-like or paste-like polyglyceryl-10 C12-C20 fatty acid ester, preferably polyglyceryl-10 stearate, due to its improved hardness and improved shape stability at elevated temperatures as compared to the shaped body produced using the polyglyceryl-10 C12-C20 fatty acid ester in the composition alone.
[0115] The shaped body of the present invention can be used to replace polyglyceryl-10 C12-C20 fatty acid ester, preferably polyglyceryl-10 stearate, in personal care formulas. The amount of the polyglyceryl-10 C12-C20 fatty acid ester added to the formula can be calculated easily by those skilled in the art from the content of the polyglyceryl-10 C12-C20 fatty acid ester in the composition and the desired amount of the polyglyceryl-10 C12-C20 fatty acid ester in the formula.
[0116] In summary, the present inventor has found that the composition of the polyglyceryl-10 C12-C20 fatty acid ester, preferably polyglyceryl-10 stearate, and the at least one of the polar wax can be shaped into a stable shape, such as pellet and flake. The shaped body has improved hardness and has improved shape stability at elevated temperatures as compared to the polyglyceryl-10 C12-C20 fatty acid ester solely used in the composition.
[0117] The present inventor has further found that the improvement can be further enhanced by introducing lecithin and / or derivative thereof, preferably hydrogenated lecithin into the composition of the present invention.
[0118] The present invention also provides a method for the handling, dosing and storing of a wax-like or paste-like polyglyceryl-10 C12-C20 fatty acid ester, preferably polyglyceryl-10 stearate, comprising a step of forming the shaped body of the present invention, so that the wax-like or paste-like polyglyceryl-10 C12-C20 fatty acid ester, preferably polyglyceryl-10 stearate can be handed, dosed and stored as an ingredient of the shaped body.
[0119] The present invention is also related to a method for preparing a personal care formulation, which comprises at least one step of mixing an effective amount of a composition in the form of a shaped body, which comprises polyglyceryl ester of C12-C20 fatty acid having glycerol units of 6 to 10, preferably polyglyceryl-10 C12-C20 fatty acid ester, more preferably polyglyceryl-10 stearate, at least one polar wax, and optionally one or more lecithin and / or derivative thereof, with at least one other cosmetic component, wherein the at least one other cosmetic component is selected from the group consisting of conditioning agent, cosmetic active ingredients and / or pharmaceutical actives, rheology modifiers or thickening agents, pigments, chelating agent, exfoliants, pH adjuster and additional emulsifiers. For example, the conditioning agents include oils / emollients / humectants. For example, the cosmetic active ingredients include antimicrobial and antifungal actives (preservative) , vitamins, anti-acne actives; anti-wrinkle, anti-skin atrophy and skin repair actives; skin barrier repair actives; non-steroidal cosmetic soothing actives; artificial tanning agents and accelerators; skin lightening actives; sunscreen actives (UV filters) ; cellular stimulants; sebum inhibitors; anti-oxidants; protease inhibitors; skin tightening agents; anti-itch ingredients; hair growth inhibitors; 5-alpha reductase inhibitors; desquamating enzyme enhancers; anti-glycation agents; topical anesthetics, or mixtures thereof.
[0120] Preferably, the shaped body is a pellet or a flake.
[0121] EXAMPLES
[0122] The present invention is now further illustrated by reference to the following examples, however, the examples are used for the purpose of explanation and not intended to limit the scopes of the present invention.
[0123] RAW MATERIALS
[0124] The industrial products used in the examples are listed in the table below and are used as received.
[0125] Table 1. Industrial products used in the examples.
[0126] Glycerin, hydrogenated lecithin, phenoxyethanol and ethylhexylglycerol are obtained as chemical reagents and are used as received.
[0127] PREPARATION AND EVALUATION METHODS
[0128] Pelletization
[0129] The inventive compositions and the comparative compositions were pelletized in the same way as described below.
[0130] The polar wax or mixture thereof were heated to 70-80℃. The other ingredients were added and mixed well upon heating. The composition was pelletized into pellets of 3-8 mm using a granulator and then cooled down to ambient temperature.
[0131] Hardness of the pellets
[0132] Unless specified otherwise, the hardness of the pellet of the Formulations was evaluated at room temperature (25℃, relative humidity of 50%) by an eleven-membered panel. Each of the panelists was asked to touch the pellet of each of the Formulations and rate its hardness against the pellet of pure polyglyceryl-10 stearate according to the following criteria.
[0133] Unless specified otherwise, the hardness result is obtained at ambient temperature.
[0134] Shape stability of the pellets
[0135] Unless specified otherwise, the shape stability of the pellet of the Formulations was evaluated by storing the pellet of each of the Formulations at 40℃ for 4 weeks, respectively, and its shape stability was rated according to the following criteria.
[0136] EXAMPLE 1
[0137] This example demonstrates the effect of behenyl alcohol on the hardness of the pellet of the composition together with polyglyceryl-10 stearate.
[0138] The compositions of Formulations A and B are listed in Table 2.
[0139] Table 2. Compositions of Formulations A and B.
[0140] The compositions were pelletized, and hardness and shape stability of the pellets were evaluated. The result is shown in Table 6.
[0141] The results revealed that the composition with fatty alcohol-based polar wax enhanced both hardness and pellet stability at high temperatures compared with pure polyglyceryl-10 stearate.
[0142] EXAMPLE 2
[0143] This example demonstrates the effect of behenyl alcohol, pentaerythrityl di-stearate and the combination thereof on the hardness of the pellet of the composition together with polyglyceryl-10 stearate.
[0144] The composition of Formulation C is listed in Table 3.
[0145] Table 3. Compositions of Formulations C.
[0146] The compositions were pelletized, and hardness and shape stability of the pellets were evaluated. The result is shown in Table 6.
[0147] This example revealed that the composition comprising the combinations of fatty alcohol-based wax and fatty acid ester-based wax could enhance the hardness and pellet shape stability at high temperatures compared with pure polyglyceryl-10 stearate.
[0148] Example 3
[0149] This example demonstrates the effect of cetearyl alcohol, behenyl alcohol, cetyl palmitate, tribehenin, hydrogenated vegetable glycerides, pentaerythrityl di-stearate, the combination thereof and hydrogenated lecithin on the hardness of the pellet of the composition of each of them together with polyglyceryl-10 stearate.
[0150] The compositions of Formulations D to I are listed in Table 4.
[0151] Table 4. Compositions of Formulations D to I.
[0152] The compositions were pelletized, and hardness of the pellets were evaluated. The result is shown in Table 6.
[0153] Formulation D showed slightly higher hardness compared to pure polyglyceryl-10 stearate. In Formulation F, the hydrogenated lecithin dosage is too high to be miscible with polar wax and polyglyceryl-10 stearate. Formulation E, H and I showed great hardness and stability property. Formulations J and K showed improved hardness by adding 5 wt. %of hydrogenated lecithin in the formulations.
[0154] Figure 1 shows the appearance of the pellet of Formulation E.
[0155] The results indicate that the composition comprising polyglyceryl-10 stearate, hydrogenated lecithin, and polar wax can be shaped into pellets with increased hardness and stability at high temperatures.
[0156] EXAMPLE 4
[0157] This example demonstrates the application of Formulation E above in a model personal care formulation with lamellar structure.
[0158] The following personal care formulation is produced according to Table 5 below.
[0159] Table 5. A model personal care formulation with lamellar structure.
[0160] The model personal care formulation was prepared as following:
[0161] 1. Mix the ingredients of Phase A and heat the mixture to around 75℃;
[0162] 2. Add the ingredients of Phase B other than DI water into DI water and mix well, and heat the mixture to around 75℃;
[0163] 3. Add Phase A into Phase B under stirring, and homogenize at 3000 to 3500 rpm for 3 minutes and then obtaining a mixture of 200g;
[0164] 4. Cool the mixture down to ambient temperature under stirring.
[0165] The model personal care formulation has a lamellar structure, indicating that the formation of the composition of the present invention and palletization of the composition does not have significant influence on the appearance of the model personal care formulation.
[0166] Table 6. Evaluation of hardness and shape stability of Formulation A to I.
Claims
1.A composition, preferably for personal care, comprising at least one wax-like or paste-like polyglyceryl-10 C12-C20 fatty acid ester, preferably polyglyceryl-10 stearate, and at least one polar wax,wherein the polyglyceryl-10 C12-C20 fatty acid ester is present preferably at 35 to 70 wt%, more preferably 40 to 65 wt%, most preferably 45 to 60 wt%, based on the total weight of the composition;wherein the polar wax is selected from fatty acid ester-based waxes, fatty alcohol-based waxes, and combinations thereof,wherein the polar wax is present preferably at 30 to 70 wt%, more preferably 35 to 65 wt%, most preferably 35 to 60 wt%, based on the total weight of the composition.2.The composition of claim 1, whereinthe fatty alcohol-based wax is selected from saturated and / or unsaturated, branched and / or unbranched C12-C24 fatty alcohols,the fatty acid ester-based wax is selected from esters of saturated and / or unsaturated, branched and / or unbranched C12-C24 alkanecarboxylic acids and saturated and / or unsaturated, branched and / or unbranched C12-C24 alcohols.3.The composition of claim 1 or 2, wherein the fatty alcohol is selected from the group consisting of stearyl alcohol, cetyl alcohol, cetearyl alcohol, behenyl alcohol, myristyl alcohol, isostearyl alcohol, arachidyl alcohol, lignoceric alcohol, and combinations thereof, preferably the fatty alcohol is stearyl alcohol, cetyl alcohol, cetearyl alcohol, behenyl alcohol or a combination thereof.4.The composition of claim 1 or 2, wherein the fatty acid ester-based wax is selected from myristyl myristate, myristyl palmitate, myristyl stearate, myristyl isostearate, myristyl oleate, myristyl behenate, myristyl erucate, cetyl myristate, cetyl palmitate, cetyl stearate, cetyl isostearate, cetyl oleate, cetyl behenate, cetyl erucate, stearyl myristate, stearyl palmitate, stearyl stearate, stearyl isostearate, stearyl oleate, stearyl behenate, stearyl erucate, isostearyl myristate, isostearyl palmitate, isostearyl stearate, isostearyl isostearate, isostearyl oleate, isostearyl behenate, isostearyl erucate, oleyl myristate, oleyl palmitate, oleyl stearate, oleyl isostearate, oleyl oleate, oleyl behenate, oleyl erucate, behenyl myristate, behenyl palmitate, behenyl stearate, behenyl isostearate, behenyl oleate, behenyl behenate, behenyl erucate, erucyl myristate, erucyl palmitate, erucyl stearate, erucyl isostearate, erucyl oleate, erucyl behenate, erucyl erucate, pentaerythrityl mono-myristate, pentaerythrityl mono-palmitate, pentaerythrityl mono-stearate, pentaerythrityl mono-isostearate, pentaerythrityl mono-oleate, pentaerythrityl mono-behenate, pentaerythrityl mono-erucate, pentaerythrityl di-myristate, pentaerythrityl di-palmitate, pentaerythrityl di-stearate, pentaerythrityl di-isostearate, pentaerythrityl di-oleate, pentaerythrityl di-behenate, pentaerythrityl di-erucate, glyceryl stearate, hydrogenated vegetable glycerides, and tribehenin, preferably the fatty acid ester-based wax is cetyl palmitate, pentaerythrityl di-stearate, tribehenin, hydrogenated vegetable glycerides, or a combination thereof.5.The composition of any one of claims 1 to 4, whereinthe fatty alcohol-based wax is cetearyl alcohol, behenyl alcohol or a combination thereof; and / orthe fatty acid ester-based wax is cetyl palmitate, pentaerythrityl di-stearate, hydrogenated vegetable glycerides, tribehenin or a combination thereof.6.The composition of any one of claims 1 to 5, wherein the polar wax is a combination of a fatty alcohol-based wax and a fatty acid ester-based wax,preferably fatty alcohol-based wax and fatty acid ester-based wax are present at a weight ratio of 1: 10 to 10: 1, preferably 1: 8 to 8: 1, more preferably 1: 2 to 8: 1, still more preferably 1: 1 to 8: 1.7.The composition of claim 5 or 6, wherein the fatty alcohol-based wax is selected from the group consisting of cetearyl alcohol, behenyl alcohol and a combination thereof, and the fatty acid ester-based wax is selected from the group consisting of cetyl palmitate, pentaerythrityl di-stearate, hydrogenated vegetable glycerides, tribehenin and a combination thereof.8.The composition of any one of claims 1 to 7, wherein the composition further comprises one or more lecithin and / or derivative thereof, preferably hydrogenated lecithin,preferably at 1 to 18 wt%, more preferably at 3 to 15 wt%, most preferably at 5 to 13 wt%, based on the total weight of the composition.9.A shaped body, preferably a pellet, of the composition of any one of claims 1 to 8.10.A method for the handling, dosing and storing of a wax-like or paste-like polyglyceryl-10 C12-C20 fatty acid ester, preferably polyglyceryl-10 stearate, comprising a step of forming the shaped body of claim 9, so that the wax-like or paste-like polyglyceryl-10 C12-C20 fatty acid ester, preferably polyglyceryl-10 stearate can be handed, dosed and stored as an ingredient of the shaped body.
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