100 day Folic Acid and Biotin Challenge Day 40 Hey guys!!!! My 100% honest update on my hair growth! I hope you enjoy th video and like my new hair colour! I always end up with strange thumbnails!! PLEASE… Related posts: Biotin Challenge Pt. 2 02 BIOTIN CHALLENGE!! (HOME VIDEO) Hair Talk: Quick Hair Growth in 30 Days! MN Challenge Hair Growth Challenge Taking MSM & Biotin / Monthly Hair Growth Updates