Palmer's Cocoa Butter Formula Biotin Shampoo is a strengthening shampoo formulated with biotin and cocoa butter to promote healthier, stronger hair. This shampoo cleanses the scalp and hair while delivering deep moisture to combat dryness and breakage. Biotin helps to fortify the hair shaft, reducing thinning and promoting thicker, fuller hair. Ideal for those looking to boost hair strength and vitality, this shampoo is suitable for all hair types.