- Applications:Bath & Shower, Hair Care, Skin Care
- Product Families:Hair Actives, Cosmetic Actives
- INCI Name:Tetrasodium Disuccinoyl Cystine
- End Uses:Foot Moisturizer, Hand Cream, Shampoos & Rinses
Kerastim® S is a water-soluble L-cystine derivative, essential amino acid for hair and nails keratin.