Set of ( 2 ) John Frieda Ultra Filler+ Hair Density Scalp Serum. Promotes healthy hair fullness and growth. • Powered by Biotin, Peptides and Caffeine, this triple action hair density serum creates a healthy scalp environment, boosts root health and promotes thicker, fuller hair. #HairFiller #JohnFreda #ScalpSerum #ScalpTreatment #Haircare