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Sunscreen cream suitable for sensitive skin and preparation method thereof

A technology for sunscreen and sensitive skin, which is applied in cosmetic preparations, skin care preparations, medical preparations containing active ingredients, etc. It can solve problems such as poor sunscreen effect, skin irritation, and uneven skin distribution, and achieve Reduce human skin irritation, best refreshing feeling and skin feel, high SPF and PA value effect

Pending Publication Date: 2019-07-30
MENTHOLATUM (CHINA) PHARM CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Studies have shown that although physical sunscreens have no obvious skin penetration, they are more likely to generate photofree radicals and cause skin irritation; at the same time, physical sunscreen formulations tend to obtain higher SPF in human tests or machine tests, but in actual consumers During use, due to the smearability and the random accumulation effect of nanoparticles, it is easy to make the skin distribution uneven, resulting in poor sunscreen effect

Method used

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  • Sunscreen cream suitable for sensitive skin and preparation method thereof
  • Sunscreen cream suitable for sensitive skin and preparation method thereof
  • Sunscreen cream suitable for sensitive skin and preparation method thereof

Examples

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preparation example Construction

[0047] The present invention also provides the preparation method of the sunscreen cream suitable for sensitive skin, comprising the following steps:

[0048] 1) Add organic sunscreen components, sodium polyacrylate, and non-ionic surfactants to the oil phase kettle, heat up and dissolve; add inorganic sunscreen components, steralnium chloride hectorite, homogenize for 10 minutes, and disperse evenly;

[0049] 2) Add sodium stearyl glutamate and water into the water phase kettle, heat up to dissolve, add xanthan gum and polyol, and stir evenly;

[0050] 3) Stir quickly, add the materials in the oil phase kettle to the water phase kettle, start the homogenization and emulsification, stop the homogenization, stir and cool down to 40-50°C, add preservatives and remaining materials, and get sunscreen suitable for sensitive skin cream.

[0051] The sunscreen cream system structure that the present invention obtains is as figure 1 As shown, there are some sunscreen ingredients in ...

Embodiment 1

[0054] A sunscreen cream suitable for sensitive skin, made of the following components in parts by weight: 2 parts of octyl salicylate, 4 parts of homosalate, 2 parts of diethylamino hydroxybenzoyl hexyl benzoate , 2 parts of ethylhexyl triazone, 2 parts of bis-ethylhexyloxyphenol methoxyphenyl triazine, 3 parts of Sucro plus, 1 part of sodium polyacrylate, 1 part of sodium polyacrylate, 5 parts of sterazonium chloride water Pyroxene, 2 parts Titanium Dioxide, 2 parts Zinc Oxide, 5 parts Cocoyl Caprylate / Caprate, 5 parts Propyl Heptyl Caprylate, 1 part Sodium Stearoyl Glutamate, 0.5 part Xanthan gum, 10 parts butylene glycol, 10 parts S-lite aqua, 0.5 parts preservative and water to 100 parts.

Embodiment 2

[0056] A sunscreen cream suitable for sensitive skin, comprising the following components by weight: 1.5 parts of octyl salicylate, 4.5 parts of homosalate, 2.5 parts of diethylaminobenzoyl hexyl benzoate , 1.5 parts of ethylhexyl triazone, 2.5 parts of bis-ethylhexyloxyphenol methoxyphenyl triazine, 3 parts of Sucro plus, 1 part of sodium polyacrylate, 1 part of sodium polyacrylate, 5 parts of sterazonium chloride water Pyroxene, 2 parts Titanium Dioxide, 2 parts Zinc Oxide, 5 parts Cocoyl Caprylate / Caprate, 5 parts Propyl Heptyl Caprylate, 1 part Sodium Stearoyl Glutamate, 0.5 part Xanthan gum, 10 parts butylene glycol, 10 parts S-lite aqua, 0.5 parts preservative and water to 100 parts.

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Abstract

The invention discloses a sunscreen cream suitable for sensitive skin. The cream is prepared from, by weight, 1-15 parts of an inorganic sunscreen component, 1-30 parts of an organic sunscreen component, 0.1-3 part of sodium polyacrylate, 0.1-5 parts of slagium chloride hectorite, 0.05-2 parts of a xanthan gum, 1-15 parts of a nonionic surfactant, 0.01-5 parts of stearoyl valley sodium citrate and1-20 parts of polyol; the organic sunscreen component is composed of diethylaminohydroxybenzoyl hexyl benzoate, ethylhexyl triazinone, bis-ethylhexyl oxyphenol methoxyphenyl triazine, octyl salicylate and humulizate, and the inorganic sunscreen component consists of titanium dioxide and zinc oxide. The sunscreen cream exhibits a oil and power-in-water system, the sunscreen component is evenly distributed, sunscreen loopholes are effectively reduced and skin irritation is reduced.

Description

technical field [0001] The invention relates to a sunscreen cream suitable for sensitive skin and a preparation method thereof, and belongs to the technical field of daily-use fine chemicals. Background technique [0002] Definition of sensitive skin: Skin sensitivity is an allergic reaction of the skin caused by various reasons. Generally, the initial symptom is itching and desquamation on the thin and tender skin such as the face, and gradually develops into mild edema of the ears, neck and even the whole body. Vesicles, papules, desquamation, infiltrating lichen and other changes. Sensitive skin generally has a thin stratum corneum, and they are more sensitive to external sunlight and temperature changes, which will cause the peripheral blood vessels to tighten and loosen at times, causing repeated congestion, causing the blood vessels to expand in a circuitous manner and form red blood filaments. In such cases, skin sensitivity often has a long history. Sensitive skin ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61K8/81A61K8/26A61K8/27A61K8/29A61K8/37A61K8/41A61K8/49A61K8/73A61K8/04A61Q17/04
CPCA61K8/8147A61K8/26A61K8/73A61K8/411A61K8/4966A61K8/37A61K8/29A61K8/27A61K8/04A61Q17/04A61K2800/592
Inventor 王乃龙陈永录黄华莹
Owner MENTHOLATUM (CHINA) PHARM CO LTD
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