POLYEPSILON-LYSINE

1% line markerAI-analyzed

preservativeantimicrobial agent

What it does

A natural cationic homopolymer of L-lysine, primarily used as a broad-spectrum antimicrobial agent and preservative in cosmetics.

Beneficial for

acne

Safety summary

Generally considered safe for cosmetic use.

CAS Number

28211-04-3

1% line marker

This ingredient is commonly used as a marker to identify where ingredients drop below 1% concentration on the label.

For informational purposes only. This is not medical advice. Always patch test new products and consult a dermatologist for skin concerns.