The OG of scalp-first haircare, Philip Kingsley's thickening shampoo is all about strengthening your hair from root to tip, packed with a careful blend of salicylic acid and nourishing actives to both ...
Learn more Hair thinning or breakage is completely normal, and if there's one thing I've learned on my quest for thicker and longer tresses, it's that healthy hair growth starts with a healthy scalp.