3-in-1 serum that regenerates your scalp’s protective moisture barrier and soothes dryness, tightness, and discomfort. 3-in-1 scalp serum that regenerates the scalp’s moisture barrier •Provides relief from dryness, tightness and discomfort • Formulated with prebiotic glycerin, niacinamide and vitamin E •Nourishes the scalp and boosts moisture • Developed with dermatologists and Dove skin care expertise • PETA-Approved Vegan and cruelty-free Smooth and healthy hair starts with a nourished scalp, but external factors can weaken its protective moisture barrier and lead to dryness and flakiness. That’s why our Derma Scalp Barrier Repair Scalp Serum helps regenerate your scalp’s protective moisture barrier and boost resilience. Developed with dermatologists, it is formulated with clinically proven skin care ingredients. Niacinamide strengthens the scalp's moisture barrier, while prebiotic glycerin cares for the scalp microbiome. As the final step in our three-part scalp care system, it provides lasting relief from dryness, tightness and discomfort while promoting healthier-looking, stronger hair.