Support fine, weak, brittle or thinning hair with Percy & Reed's Strengthening Scalp Concentrate, a lightweight serum that helps to reduce hair fall and breakage and is laboratory-proven to leave hair 68% stronger after just one use*. Powered by peptides and vitamins that nourish the scalp, alongside lupine protein and rosemary oil to promote stronger hair at the root, the formula supports the optimal conditions for healthy hair growth. *When paired with Percy & Reed Strengthening Shampoo and Conditioner. Dermatologically tested to be suitable for sensitive skin. Free from sulphates, silicones, parabens and gluten.