Product Details This is a Beyond Beauty product which means it has been sourced tried and tested and finally declared one of the most new and innovative heroes out there. Healthy hair starts with the scalp. OUAI's skincare-inspired serum helps balance and hydrate your scalp to create an ideal environment for hair to thrive and helps support the appearance of thicker, healthier hair.; Featuring Adaptogens like Arctic Root, Siberian Ginseng, and Chaga Mushroom combined with Hyaluronic Acid, this serum can help promote hydration and a healthy barrier. Good for all hair types.; Clinical Study Data:; Clinically proven to improve the look of fuller, thicker hair 100% of users showed improvement in the look of fuller, thicker hair*; Clinically proven to help improve the overall health of the scalp 90% of users showed improvement in health of their scalp*; *Based on a 16-week expert grading study performed on 32 subjects; Consumer Study Data:; 91% of users reported that their hair feels healthier*; 87% of users reported a visible improvement in the appearance of their hair*; *Based on a 12 week consumer study of 115 participants; How To Use Section hair to reveal the scalp. Apply dropper of serum down the part, massage until it absorbs. Style as usual. Can be used on wet or dry hair.