Antibacterial composition and cosmetic containing said antibacterial composition

A combination of 1,2-alkanediol or monoalkylglyceryl ethers with tripropylene glycol in cosmetics significantly enhances antibacterial properties, addressing the limitations of existing agents by reducing skin irritation and paraben use.

JP7626516B2Active Publication Date: 2025-02-07ADEKA CORP
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Patent Information

Application Number
JP2019548152
Authority / Receiving Office
JP · JP
Patent Type
Patents
Current Assignee / Owner
Priority Date
2017-10-11
Filing Date
2018-10-03
Publication Date
2025-02-07
Estimated Expiration
2038-10-03

AI Technical Summary

Technical Problem

Existing antibacterial agents used in cosmetics, such as diol compounds and glyceryl ethers, lack sufficient antibacterial and anti-mold properties, necessitating high usage amounts and potentially causing skin irritation.

Method used

A combination of 1,2-alkanediol or monoalkylglyceryl ethers with 6 to 8 carbon atoms and tripropylene glycol, in specific mass ratios, enhances antibacterial properties while maintaining safety and reducing skin irritation.

Benefits of technology

The composition achieves high antibacterial efficacy with reduced ingredient amounts, minimizing paraben use and skin irritation, suitable for cosmetic and other applications.

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Abstract

An object of the present invention is to provide an antibacterial composition that is highly safe for the human body and has significantly high antibacterial activity. In order to achieve the above-mentioned object, the present invention provides an antibacterial composition containing at least one component (A) selected from the group consisting of 1,2-alkanediols having an alkyl group containing 6 to 8 carbon atoms and monoalkyl glyceryl ethers having an alkyl group containing 6 to 8 carbon atoms, and at least one component (B) selected from the group consisting of tripropylene glycol, 2-methyl-1,3-propanediol, and 3-methyl-1,3-butanediol, as well as a cosmetic preparation containing this antibacterial composition.
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Citation Information

Patent Citations

  • Octocrylene-free, odor-stable sunscreen

    DE102013213170A1

  • Antiseptic microbicide and composition for applying to human body

    JP1999322591A

  • Antimicrobial composition

    JP2002322090A

  • Skin care preparation composition

    JP2003081736A

  • Antimicrobial agent and cosmetic incorporated with the same

    JP2004043336A