Hairburst Shampoo contains over 95% natural ingredients; including Panthenol, also known as vitamin B5, which helps thicken hair and also Hydrolysed Wheat Proteins which strengthen and plump hair and reduce breakage, for hair that stays long and strong whilst appearing thicker. The SLS and paraben-free formula is vegan, cruelty-free and smells of avocado and coconut. It is the perfect accompaniment to any of the hair supplement products in the Hairburst range.