Improved formula for even thicker and 2x fuller hair For fine, natural or visibly thinning hair. A light mousse that's easy to apply, enriched with botanical ingredients and methyl nicotinate that contribute to invigorate the scalp. Also contains ingredients that help protect against hair from UV rays. Directions: Apply directly onto scalp. Gently massage to help penetrate scalp. Do not rinse. Use every day. May provoke temporary irritation on scalp after use.