Difeel Pro-Growth Biotin Hair Mask 12 oz. with Biotin Hair Oil 7.78 oz. (2-Piece
Difeel Pro-Growth Biotin Hair Mask 12 oz. Difeel Biotin Hair Oil 7.78 oz. HAIR GROWTH HAIR MASK : Strengthening formula with Biotin. Biotin is a water-soluble vitamin that's a part of the vitamin B family.