The Biotin & Collagen Shampoo Xpel of 300ml is formulated to strengthen and give vitality to fragile and thin hair. Enriched with biotin, it deeply nourishes the scalp, stimulating healthy growth, while collagen improves the elasticity and struttura of the hair. Its gentle formula cleanses without harshness, leaving hair soft, shiny, and visibly more voluminous. Ideal for those who want una effective and professional care for una strong and beautiful hair every day.