Viviscal thickening shampoo helps provide fuller, healthier-looking hair. Formulated with biotin and keratin, this shampoo gently cleanses and stimulates the scalp. It strengthens and nourishes hair, leading to reduced breakage and increased thickness. Enriched with marine collagen, it supports overall hair health, resulting in naturally voluminous and revitalized hair with every wash. It comes in a 250ml bottle.