The Nioxin System 2 Scalp + Hair Conditioner is for those wanting to thicken natural hair with progressed thinning. This lightweight conditioner hydrates the hair and scalp while strengthening hair against breakage for thicker, fuller-looking hair. Formulated with Peppermint Oil and Wild Mint Oil, this conditioner is refreshing and invigorating, stimulating the scalp and promoting hair growth. Caffeine stimulates hair follicles and improves circulation while Niacinamide nourishes the hair root for improved scalp health and growth,