Bullet Points: 1 > Hair Growth Hair Mask: Strengthening Formula With Biotin. Biotin Is A Water-Soluble Vitamin That'S A Part Of The Vitamin B Family. Your Body Needs Biotin To Help Convert Certain Nutrients Into Energy 2 > Natural Hair Mask For Hair Growth - Deeply Repairs Damaged Hair. Biotin Also Plays An Important Role In The Health Of Your Hair, Skin, And Nails. If You Aren'T Getting Enough Biotin, You May Experience Hair Loss 3 > Hair Growth Mask - Promotes Longer Hair By Strengthening The Hair Follicle For Healthy Hair Growth 4 > Biotin Mask - Sulfate Free - Paraben Free - Phtalate Free - Color Safe Formula Description : Difeel Biotin Hair Mask 8 Oz. - Deep Conditioning Mask Hair Treatment For Hair Growth, Hair Mask For Hair Loss