skinChemists Biotin Hair Growth & Thickening Shampoo (250ml) is a revitalizing formula designed to cleanse the hair and scalp while delivering key nutrients like Biotin to support stronger, thicker, and healthier-looking hair. To use, apply a generous amount to wet hair, massage into a lather, and rinse thoroughly, repeating if necessary. This shampoo helps to strengthen the hair follicle to reduce breakage, supports scalp health for better hair quality, and improves the appearance of volume and density for those with thinning hair. skinChemists is an anti-aging skincare company based in London, England.