Pharmaceris H-Keratinum Concentrated Shampoo is a specialized hair care product formulated for weak and thin hair. This dermatologically-tested shampoo helps strengthen hair strands, reduce hair loss, and improve overall hair health through its concentrated formula. This shampoo is part of the Pharmaceris H line of specialized hair care products. The formula is designed to be gentle enough for daily use while providing intensive care for weakened hair. For best results, the shampoo should be applied to wet hair, massaged into the scalp, and rinsed thoroughly. As this is a personal care product, specific ingredients and claims are subject to dermatological testing and verification.