The Ordinary's concentrated Multi-Peptide Serum is designed to support hair health so that it looks thicker, denser, fuller and healthier. It brings together a cocktail of effective peptides, natural extracts and high-solubility caffeine in an ultra-lightweight, emollient base for efficient penetration to the hair and scalp. The total concentration of these technologies in the formula by weight is 21.15%.£32.17 per 100.00ml.