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INCI: CYSTEINE(100 PPM)
Cysteine is an amino acid, a building block of proteins like keratin, which is vital for healthy skin and hair. In skincare, it can function as an antioxidant, helping to protect the skin from environmental stressors.
No specific concern data available
Safety summary
Cysteine is a naturally occurring amino acid and is generally considered safe for topical use in cosmetic formulations. No significant safety concerns are typically associated with it.
For informational purposes only. This is not medical advice. Always patch test new products and consult a dermatologist for skin concerns.