L-Cysteine Hydrochloride

AI-analyzed

INCI: CYSTEINE HCL

antioxidanthair conditioning agentskin conditioning agentreducing agent

What it does

The hydrochloride salt of L-Cysteine, an amino acid used in cosmetics for its antioxidant properties and as a hair and skin conditioning agent.

Beneficial for

agingsun damagedullness

May aggravate

sensitivity

Safety summary

Generally recognized as safe.

CAS Number

52-89-1

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