A cosmetic composition Comprising an Indole for preventing or reducing discoloration

Abstract

The present invention relates to a cosmetic composition comprising pentaerythrityl tetra-di-t-butylhydroxyhydrocinnamate, benzotrizolyldodecyl p-cresol, and indole, and can provide a cosmetic composition in which discoloration of the composition is prevented or improved.

Description

Technology Field

[0001] The present invention relates to a cosmetic composition comprising pentaerythrityl tetra-di-t-butylhydroxyhydrocinnamate, benzotrizolyldodecyl p-cresol, and indole, and can provide a cosmetic composition in which discoloration of the composition is prevented or improved. Background Technology

[0003] As consumer tastes have recently become more diverse and sophisticated, cosmetic brands emphasizing a refined image are increasingly selling colored cosmetic formulations in transparent containers that allow the contents to be clearly visible. Transparent containers have the advantage of enabling consumers to directly check the color or formulation of the contents and can present a visually clean and sophisticated image.

[0005] However, when a colored cosmetic composition is filled into a transparent container, discoloration or fading of the composition may occur due to exposure to light, temperature changes, oxidation reactions, or catalytic action by metal ions, and aesthetic appeal may be reduced. In some cases, problems such as the occurrence of off-odor or compromise of formulation stability may also occur.

[0006] In particular, as consumers place increasing importance on fragrance, fragrance components containing an indole backbone structure are frequently used in fragrance compositions; consequently, discoloration or fading issues can become more severe in cosmetic compositions incorporating these components. This is because indole components easily oxidize or undergo decomposition reactions under UV irradiation or in the presence of oxygen or metal ions, which can lead to rapid discoloration or fading.

[0008] Conventionally, methods involving the inclusion of various auxiliary agents or additives, such as antioxidants and chelating agents, into the composition have been used to address these issues. However, since indole components are structurally sensitive to oxidation and decomposition, it is often difficult to effectively suppress discoloration using only general antioxidants or chelating agents.

[0009] Therefore, there is an increasing need for new technology capable of suppressing discoloration or fading of cosmetic compositions containing indole components within transparent containers. Prior art literature

[0011] Republic of Korea Published Patent No. 10-2021-0133605 The problem to be solved

[0012] One objective of the present invention is to provide a cosmetic composition comprising pentaerythrityl tetra-di-t-butylhydroxyhydrocinnamate, benzotriazolildodecyl p-cresol, and indole. means of solving the problem

[0014] One embodiment of the present invention is a cosmetic composition comprising pentaerythrityl tetra-di-t-butylhydroxyhydrocinnamate, benzotriazolyldodecyl p-cresol, and indole.

[0015] In one specific example, the cosmetic composition may further include caprylic / capric triglyceride.

[0016] In another specific example, the cosmetic composition may be one in which discoloration is prevented or improved.

[0017] In another specific example, the cosmetic composition may contain pentaerythrityl tetra-di-t-butylhydroxyhydrocinnamate in an amount of 0.015 to 2.5 weight% based on the total weight of the composition.

[0018] In another specific example, the above benzotriazolyldodecyl p-cresol may be included in an amount of 0.1 to 4.8 weight% based on the total weight of the composition.

[0019] In another specific example, the above-mentioned caprylic / capric triglyceride may be included in an amount of 7 to 48 weight% based on the total weight of the composition.

[0020] In another specific example, it may further include one or more selected from the group consisting of antioxidants, pigments, antifoaming agents, and preservatives.

[0021] In another specific example, the cosmetic composition may be a fragrance composition. Effects of the invention

[0023] The cosmetic composition of the present invention may include pentaerythrityl tetra-di-t-butylhydroxyhydrocinnamate, benzotriazolildodecyl p-cresol, and indole. By including the above ingredients, the present invention can prevent or improve discoloration of the composition. Brief explanation of the drawing

[0025] Figure 1 is an example confirming the discoloration effect according to the compositions of Examples 1 to 7 of the present invention. FIG. 2 is an example confirming the discoloration effect according to the compositions of Comparative Examples 1 to 4 and 6 to 9 of the present invention. Specific details for implementing the invention

[0026] This is explained in detail as follows. Meanwhile, each description and embodiment disclosed in the present invention may be applied to each other description and embodiment. That is, all combinations of the various elements disclosed in the present invention fall within the scope of the present invention. Furthermore, the scope of the present invention should not be considered limited by the specific descriptions provided below.

[0027] Furthermore, a person skilled in the art can recognize or identify a number of equivalents to the specific embodiments of the present invention described in this invention using only ordinary experiments. In addition, such equivalents are intended to be included in the present invention.

[0029] One embodiment of the present invention provides a cosmetic composition comprising pentaerythrityl tetra-di-t-butylhydroxyhydrocinnamate, benzotriazolyldodecyl p-cresol, and indole.

[0030] Specifically, the cosmetic composition of the present invention may further include caprylic / capric triglyceride.

[0031] In the present invention, the term "indole component" refers to an organic compound based on an indole skeleton structure (molecular formula: C8H7N), which is an aromatic bicyclic structure formed by the fusion of a 6-membered benzene ring and a 5-membered pyrrole ring, and which includes or is substituted with various substituents. The indole components are prone to photodegradation or photooxidation upon UV irradiation, which can cause the ring structure to be destroyed, resulting in the formation of new pigments or colorless oxides, and may cause discoloration or fading of the composition. Specifically, the indole component of the present invention may be 2,3-benzopyrrole or a derivative thereof, or indole, but is not limited thereto.

[0033] Specifically, the cosmetic composition of the present invention may prevent or improve discoloration.

[0034] In the present invention, the term "discoloration" refers to a phenomenon in which the original color of a composition is lost or its color intensity is reduced due to impaired physical or chemical stability of the composition; it includes a yellowing phenomenon in which the original color of the composition changes to yellow or brown, and a red discoloration phenomenon in which the original color of the composition changes to red or pink. The discoloration may occur when the pigment components of the composition are exposed to air, light, or high temperatures, and in some cases, it may occur due to interactions between components within the composition. Specifically, for the purposes of the present invention, the discoloration may occur due to exposure to light, including ultraviolet rays.

[0035] In the present invention, the term "improvement" means that the discoloration in the composition is reduced or mitigated, thereby improving the color stability of the composition.

[0036] In the present invention, the term "prevention" means to suppress or prevent discoloration in advance so that it does not occur during the manufacturing, storage, or use process of the composition, thereby enabling the preservation of the original color of the composition.

[0038] In one embodiment, the present invention may comprise the above-mentioned pentaerythrityltetra-di-t-butylhydroxyhydrocinnamate in an amount of 0.015 to 2.5 weight% based on the total weight of the composition.

[0039] Specifically, the present invention may include the pentaerythrityltetra-di-t-butyl hydroxycinnamate in an amount of 0.015 wt% or more, 0.016 wt% or more, 0.017 wt% or more, 0.018 wt% or more, 0.019 wt% or more, 0.02 wt% or more, or 0.021 wt% or more based on the total weight of the composition, and may include 2.5 wt% or less, 2.4 wt% or less, 2.3 wt% or less, 2.2 wt% or less, 2.1 wt% or less, 2 wt% or less, or 1.9 wt% or less, but is not limited thereto.

[0040] The present invention can provide a cosmetic composition in which the formulation is stable and discoloration is prevented or improved by including the above-mentioned pentaerythrityltetra-di-t-butylhydroxyhydrocinnamate in the above amount.

[0042] In one embodiment, the present invention may comprise the benzotriazolyldodecyl p-cresol in an amount of 0.1 to 4.8 weight% based on the total weight of the composition.

[0043] Specifically, the present invention may include the benzotriazolyldodecyl p-cresol in an amount of 0.1 wt% or more, 0.3 wt% or more, 0.5 wt% or more, 0.7 wt% or more, 0.8 wt% or more, 0.9 wt% or more, or 1 wt% or more based on the total weight of the composition, and may include 4.8 wt% or less, 4.6 wt% or less, 4.4 wt% or less, 4.3 wt% or less, 4.2 wt% or less, 4.1 wt% or less, or 4 wt% or less, but is not limited thereto.

[0044] The present invention can provide a cosmetic composition in which the formulation is stable and discoloration is prevented or improved by including the above-mentioned benzotriazolyldodecyl p-cresol in the above-mentioned amount.

[0046] In one embodiment, the present invention may comprise caprylic / capric triglyceride in an amount of 7 to 48 weight percent based on the total weight of the composition.

[0047] Specifically, the present invention may include the caprylic / capric triglyceride in an amount of 7% or more, 7.5% or more, 8% or more, 8.5% or more, 9% or more, 9.5% or more, or 10% or more based on the total weight of the composition, and may include 48% or less, 46% or less, 45% or less, 44% or less, 43% or less, 42% or less, 41% or less, or 40% or less, but is not limited thereto.

[0048] The present invention provides a cosmetic composition that includes the above-mentioned caprylic / capric triglyceride in the above amount, thereby dissolving and stabilizing pentaerythrityl tetra-di-t-butylhydroxyhydrocinnamate within the formulation, and having a stable formulation while preventing or improving discoloration.

[0050] The present invention can provide a cosmetic composition in which discoloration is prevented or improved even in a composition containing indole through a combination of pentaerythrityl tetra-di-t-butylhydroxyhydrocinnamate, benzotriazolyldodecyl p-cresol, and caprylic / capric triglyceride.

[0052] In one embodiment of the present invention, the cosmetic composition according to the present invention may be prepared in a formulation selected from the group consisting of a solution, a fragrance, a cream, a pack, a lotion, a makeup base, a hair essence, a hair mist, an essence, a bath additive, a sun stick, a sunscreen cream, a sun oil, a suspension, an emulsion, a paste, a gel, a lotion, a lipstick, a lip balm, a powder, a soap, a cleansing foam, a cleansing lotion, a cleansing oil, a treatment, an oil, a makeup base, a powder foundation, an emulsion foundation, a wax foundation, a concealer, a skin cover, a patch, and a spray, but is not limited thereto.

[0053] In one embodiment of the present invention, the cosmetic composition of the present invention may be a fragrance composition. Specifically, the fragrance composition may be a composition used for the purpose of leaving a scent, such as a perfume, hair perfume mist, room spray, body wash, etc., and is not limited to any other cosmetic composition that produces a scent.

[0054] In addition, the cosmetic composition of the present invention may further include one or more cosmetically acceptable carriers that are incorporated into general skin cosmetics, and may appropriately incorporate, for example, oils, water, surfactants, moisturizers, lower alcohols, thickeners, chelating agents, pigments, preservatives, fragrances, etc., as conventional ingredients, but is not limited thereto.

[0057] The present invention will be described in more detail below through examples. These examples are merely illustrative of the present invention and should not be interpreted as limiting the scope of the present invention.

[0059] Preparation Example:

[0061] (1) Preparation Example 1: Preparation of Examples 1 to 7

[0063] Cosmetic compositions of Examples 1 to 7 were prepared according to the ingredients and content listed in Table 1.

[0065] The method for preparing a cosmetic composition is as follows. Specifically, first, caprylic / capric triglyceride and pentaerythrityl tetra-di-t-butylhydroxycinnamate were placed in a separate container and stirred at 80°C for 10 minutes. Subsequently, the remaining ingredients listed in Table 1, the above mixture, and a separate solution were added to the main oven and stirred for 20 minutes. At this time, stirring was performed under light-blocking conditions.

[0067] division Example 1 Example 2 Example 3 Example 4 Example 5 Example 6 Example 7 triethyl citrate Remaining amount Remaining amount Remaining amount Remaining amount Remaining amount Remaining amount Remaining amount Methyl dihydrozasmonate 19 19 19 19 19 19 19 Ethylene brasylate 5 5 5 5 5 5 5 phenethyl alcohol 8 8 8 8 8 8 8 Pentadecaractone 5 5 5 5 5 5 5 dolmens 6 6 6 6 6 6 6 Pentaerythrityltetra-di-t-butylhydroxyhydrocinnamate 0.02 2 1 1 1 1 1 Benzotriazolyldodecyl p-cresol 2 2 1 2.5 4 2 2 Caprylic / Capric Triglyceride 30 30 30 30 30 10 40

[0069] (2) Preparation Example 2: Preparation of Comparative Examples 1 to 8

[0071] Cosmetic compositions of Comparative Examples 1 to 8 were prepared according to the contents listed in Table 2. The method of preparing the cosmetic compositions is the same as in Preparation Example 1.

[0073] division Comparative Example 1 Comparative Example 2 Comparative Example 3 Comparative Example 4 Comparative Example 5 Comparative Example 6 Comparative Example 7 Comparative Example 8 triethyl citrate Remaining amount Remaining amount Remaining amount Remaining amount Remaining amount Remaining amount Remaining amount Remaining amount Methyl dihydrozasmonate 19 19 19 19 19 19 19 19 Ethylene brasylate 5 5 5 5 5 5 5 5 phenethyl alcohol 8 8 8 8 8 8 8 8 Pentadecaractone 5 5 5 5 5 5 5 5 dolmens 6 6 6 6 6 6 6 6 Pentaerythrityltetra-di-t-butylhydroxyhydrocinnamate 0.01 3 1 1 1 1 1 - Benzotriazolyldodecyl p-cresol 2 2 0.05 5 2 2 - 2 Caprylic / Capric Triglyceride 30 30 30 30 5 50 30 30

[0075] (3) Preparation Example 3: Preparation of Comparative Example 9

[0077] The cosmetic composition of Comparative Example 9 was prepared according to the contents listed in Table 3. The method of preparing the cosmetic composition is the same as in Preparation Example 1.

[0079] division Comparative Example 9 triethyl citrate Remaining amount Methyl dihydrozasmonate 19 Ethylene brasylate 5 phenethyl alcohol 8 Pentadecaractone 5 dolmens 6 Pentaerythrityltetra-di-t-butylhydroxyhydrocinnamate 0.05 BHT 0.8 Benzotriazolyldodecyl p-cresol - Caprylic / Capric Triglyceride 30

[0081] Experimental Example:

[0083] For the cosmetic compositions according to Examples 1 to 7 and Comparative Examples 1 to 9, it was confirmed whether discoloration occurred while the formulation was stably formed. The method for observing discoloration of the composition is as follows. Specifically, using an ATLAS SUNTEST CPS+ instrument, light in the wavelength range of 300 to 800 nm was irradiated for 4 hours, and then the composition was visually observed to see if discoloration and oxidation had occurred.

[0085] (1) Experimental Example 1: Analysis based on pentaerythrityltetra-di-t-butylhydroxyhydrocinnamate content

[0087] For the cosmetic compositions according to Example 1, Example 2, Comparative Example 1, and Comparative Example 2, it was confirmed whether the formulation of the composition was stably formed and whether discoloration appeared in the composition. The results are shown in Table 4.

[0089] division Example 1 Example 2 Comparative Example 1 Comparative Example 2 discoloration immutability immutability Hongbyeon yellowing

[0091] In the case of Examples 1 and 2, the cosmetic composition was formed stably. In addition, it was confirmed that the color of the cosmetic composition did not change even when irradiated with ultraviolet light.

[0092] On the other hand, Comparative Example 1 was confirmed to be unsuitable for use as a composition containing indole components because the color of the cosmetic composition changed to red (reddening) when irradiated with ultraviolet rays.

[0093] In addition, Comparative Example 2 was found to be unsuitable for use as a cosmetic composition containing indole components because the color of the cosmetic composition turned yellow and the composition became turbid when irradiated with ultraviolet light.

[0095] (2) Experimental Example 2: Analysis according to benzotriazolyldodecyl p-cresol content

[0097] For the cosmetic compositions according to Examples 3 to 5, Comparative Example 3, and Comparative Example 4, it was confirmed whether the formulation of the composition was stably formed and whether discoloration appeared in the composition. The results are shown in Table 5.

[0099] division Example 3 Example 4 Example 5 Comparative Example 3 Comparative Example 4 discoloration immutability immutability immutability yellowing yellowing

[0101] In the case of Examples 3 to 5, the cosmetic composition was formed stably. In addition, it was confirmed that the color of the cosmetic composition did not change even when irradiated with ultraviolet light.

[0102] On the other hand, Comparative Example 3 showed that the color of the cosmetic composition turned yellow when irradiated with ultraviolet rays, and it was confirmed that it was not suitable for use as a cosmetic composition containing indole components.

[0103] In addition, Comparative Example 4 was found to be unsuitable for use as a cosmetic composition containing indole components because the color of the cosmetic composition turned yellow and the composition became turbid when irradiated with ultraviolet rays.

[0105] (3) Experimental Example 3: Analysis based on caprylic / capric triglyceride content

[0107] For the cosmetic compositions according to Example 6, Example 7, Comparative Example 5, and Comparative Example 6, it was confirmed whether the formulation of the composition was stably formed and whether discoloration occurred in the composition. The results are shown in Table 6.

[0109] division Example 6 Example 7 Comparative Example 5 Comparative Example 6 discoloration immutability immutability - yellowing

[0111] In the case of Examples 6 and 7, the cosmetic composition was formed stably. In addition, it was confirmed that the color of the cosmetic composition did not change even when irradiated with ultraviolet light.

[0112] On the other hand, in Comparative Example 5, the powder component was not dissolved in the cosmetic composition and no formulation was formed, so it was not possible to observe whether discoloration occurred.

[0113] Comparative Example 6 turned red when irradiated with ultraviolet light, confirming that it is not suitable for use as a composition containing indole components.

[0115] (4) Experimental Example 4: Analysis of discoloration of a composition not containing benzotrizolyldodecyl p-cresol or pentaerythrityltetra-di-t-butylhydroxyhydrocinnamate

[0117] For the cosmetic compositions according to Comparative Examples 7 and 8, it was confirmed whether the formulation of the composition was stably formed and whether discoloration occurred in the composition. The results are shown in Table 7.

[0119] division Comparative Example 7 Comparative Example 8 discoloration Hongbyeon Hongbyeon

[0121] Comparative Examples 7 and 8 turned red when irradiated with ultraviolet light, confirming that they are not suitable for use as compositions containing indole components.

[0123] (5) Experimental Example 5: Analysis of discoloration of a composition in which benzotrizolyldodecyl p-cresol and pentaerythrityltetra-di-t-butylhydroxyhydrocinnamate were replaced with other components

[0125] For the cosmetic composition according to Comparative Example 9, it was confirmed whether the formulation of the composition was stably formed and whether discoloration appeared in the composition. The results are shown in Table 8.

[0127] division Comparative Example 9 discoloration yellowing

[0129] Comparative Example 9 turned yellow when irradiated with ultraviolet light, confirming that it is not suitable for use as a composition containing indole components.

[0131] Foregoing, specific parts of the content of the present invention have been described in detail. It will be apparent to those skilled in the art that such specific descriptions are merely preferred embodiments and do not limit the scope of the present invention. Accordingly, the actual scope of the present invention is defined by the appended claims and their equivalents.

Claims

Claim 1 A cosmetic composition comprising pentaerythrityl tetra-di-t-butyl hydroxyhydrocinnamate, benzotriazolyl dodecyl p-cresol, caprylic / capric triglyceride, and indole, wherein the caprylic / capric triglyceride is contained in an amount of 7 to 48 weight% based on the total weight of the composition. Claim 2 delete Claim 3 In claim 1, the cosmetic composition is one in which discoloration is prevented or improved. Claim 4 A cosmetic composition according to claim 1, comprising the above pentaerythrityl tetra-di-t-butylhydroxyhydrocinnamate in an amount of 0.015 to 2.5 weight% based on the total weight of the composition. Claim 5 A cosmetic composition according to claim 1, comprising 1 to 4 weight percent of the benzotriazolyldodecyl p-cresol based on the total weight of the composition. Claim 6 A cosmetic composition according to claim 1, comprising the caprylic / capric triglyceride in an amount of 10 to 40 weight% based on the total weight of the composition. Claim 7 A cosmetic composition according to claim 1, further comprising one or more selected from the group consisting of antioxidants, pigments, antifoaming agents, and preservatives. Claim 8 In claim 1, the cosmetic composition is a fragrance composition.

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