What it is: A nighttime scalp treatment that helps combat visible negative effects from environmental stressors for fuller, thicker, healthier-looking hair.What it does: Formulated with the brand's Healthy Follicle Complex™ along with a peptide blend, this treatment helps plump the hair fibers, increasing the diameter of your hair for a fuller look and feel while providing natural shine. Jojoba esters and vitamins help nourish and moisturize the scalp while restoring barrier function for prolonged balanced hydration and scalp care. How to use: Apply directly to your scalp on wet or dry hair. Massage in and do not rinse. When applying to dry hair, make sure to detangle first in order to create clean sections to work with. Apply only as much as needed. 2.5 oz. Paraben-free; phthalate-free; silicone-free Safe for color- or chemically-treated hair Cruelty-free Made in the USA