Serioxly Denser Hair is a scalp solution for denser looking hair. Stemoxydine 5%: A molecule born of ten years' research. Resveratrol: A polyphenol derived from anti-oxydant skincare solutions. Suitable for sensitie scalp. For product use, divide hair into 4 equal sections and apply 1 pipette to the scalp evenly throughout each section. Gently massage into the scalp until absorbed. Do not rinse. Leave to dry