Loading...
Loading...
This refers to a combination of Biotin (Vitamin B7) and Cysteine (an amino acid). Biotin is known for its role in healthy hair and skin, while Cysteine is a building block for proteins like keratin.
No specific concern data available
Safety summary
Both Biotin and Cysteine are generally considered safe for topical use. Concerns are rare and typically limited to individual sensitivities.
For informational purposes only. This is not medical advice. Always patch test new products and consult a dermatologist for skin concerns.