A personal care composition

A personal care composition with a 2.5:1 molar ratio of carboxymethyl cysteine to unsubstituted fatty acid effectively inhibits ROS, addressing premature aging and oxidative stress through synergistic ROS reduction.

WO2026057270A1 Publication Date: 2026-03-19UNILEVER IP HLDG BV +2
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Patent Information

Application Number
PCT/EP2025/073055
Authority / Receiving Office
WO · WO
Patent Type
Applications
Current Assignee / Owner
Priority Date
2024-11-06
Filing Date
2025-08-12
Publication Date
2026-03-19

AI Technical Summary

Technical Problem

Existing personal care compositions are inadequate in effectively inhibiting the generation of reactive oxygen species (ROS) caused by environmental stressors, leading to premature aging and oxidative stress.

Method used

A personal care composition comprising carboxymethyl cysteine compound and unsubstituted fatty acid in a specific molar ratio of at least 2.5:1, which synergistically inhibits ROS.

Benefits of technology

The composition significantly reduces ROS by 10-90%, providing anti-aging and antioxidant benefits, particularly when formulated as a skin care product.

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Abstract

Disclosed is a personal care composition comprising carboxymethyl cysteine compound and unsubstituted fatty acid, wherein the molar ratio of the carboxymethyl cysteine compound to the unsubstituted fatty acid is at least 2.5:1.
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