This premium 2-piece collection includes both our Difeel Pro-Growth Biotin Hair Mask 12 oz. and our Difeel Biotin Hair Oil 7.1 oz., HAIR GROWTH HAIR MASK: Strengthening formula with Biotin. NATURAL HAIR MASK FOR HAIR GROWTH - Deeply repairs damaged hair., WEIGHTLESS OIL FOR HAIR Infused with fortifying biotin HAIR OIL WITH BIOTIN Helps promote healthy hair growth. BIOTIN HAIR CARE Improves both hair strength and shine; Weightless oil for hair. Biotin plays an important role in the health of your hair, skin, and nails; A lack of biotin can lead to hair loss., Difeel ProGrowth products are Fortified, strengthening formulas infused with Biotin, a water soluble vitamin that's a part of the vitamin B family., Sulfate Free - Paraben Free - Phtalate Free - Color Safe Formulas - Made in USA