Natural Moisturizing Factors + HA For Scalp is a light, milky formula designed to support scalp hydration and help ease discomfort caused by dryness. By utilizing a combination of ingredients that mimic the function of natural moisturizing factors, along with hyaluronic acid and squalane that are naturally produced within the skin, this moisturizing serum helps support the scalp’s barrier without sticking to your hair or weighing it down.