Antioxidant moisturizing serum and preparation method and application thereof

By leveraging the synergistic effects of apple polyphenol extract with polyols, amino acid moisturizers, and anionic polysaccharides, the issues of stability and irritation of vitamin C in cosmetics have been resolved, achieving a deep fusion of antioxidant and moisturizing properties, and enhancing the stability and safety of the serum.

CN122398685APending Publication Date: 2026-07-17GUANGDONG PHARMA UNIV
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
GUANGDONG PHARMA UNIV
Filing Date
2026-04-10
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

Vitamin C has issues with poor stability and high skin irritation in cosmetic formulations, limiting its application in long-lasting liquid serums and sensitive skin care.

Method used

The product is formulated with a scientific formula containing apple polyphenol extract, polyols, amino acid moisturizers, and anionic polysaccharides to form a synergistic moisturizing system. Combined with disodium EDTA to chelate metal ions, it creates a stable antioxidant environment and enhances the skin barrier function.

Benefits of technology

It achieves a deep integration of instant hydration and long-lasting moisture retention, significantly improving antioxidant efficacy, reducing the risk of skin irritation, and enhancing the stability and applicability of cosmetics.

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Abstract

本发明提供一种抗氧化保湿精华液及其制备方法与应用。按照重量百分比计算，该抗氧化保湿精华液包括如下组分，A相：11~17%分子量≤100 g / mol的多元醇，0.05~0.15%分子量为（0.2~2）×107Da的第一阴离子多糖；B相：0.03~0.07%乙二胺四乙酸二钠，1~3%氨基酸保湿剂，0.1~0.3%分子量＜1×105Da的第二阴离子多糖，去离子水；C相：0.05~0.15%乳化剂；D相：1~3%苹果多酚提取物。本发明提供的精华液添加的苹果多酚提取物具有强大的抗氧化能力和高化学稳定性，含有其的精华液能够在不同温度下保持稳定状态，不会出现分层、变色、变稀等现象，且相较于维生素C而言，苹果多酚提取物更为温和，不会对皮肤产生刺激性，同时通过科学的配方设计构建了协同增效的保湿系统，使苹果多酚与特定的保湿体系产生协同作用，可以增强抗氧化和保湿效能，不仅实现了深层保湿与屏障修复，更显著提升了抗氧化效能。
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