Difeel Pro-Growth Biotin Hair Oil 2.5 ozWEIGHTLESS OIL FOR HAIRFortified, strengthening formulas infused with Biotin, a water soluble vitamin that’s a part of the vitamin B family.HAIR OIL WITH BIOTINBiotin plays an important role in the health of your hair, skin, and nails; A lack of biotin can lead to hair loss.BIOTIN HAIR CAREImproves both hair strength and shine.PRO-GROWTH HAIR CARENatural hair oil that helps promote healthy hair growth.