Biosense - Collagen Biotin Shampoo 300mlBiosense Collagen and Biotin Thickening Shampoo is a professional hair care product designed to promote thicker, fuller hair. Formulated with a powerful blend of ingredients, this shampoo helps improve hair texture and strength, leaving your hair looking and feeling healthier. Key Ingredients: Hydrolyzed Collagen: Helps to strengthen the hair and improve its elasticity. Biotin: Also known as vitamin B7, biotin promotes healthy hair growth and may help