Can I apply biotin directly to my scalp? When applied topically, the formula is able to be directly supplied to your hair roots and doesn’t have to make the journey from your internal system to the scalp. So, if you do not wish to consume oral supplements, liquid biotin can be applied topically for similar results.
Is biotin in shampoo absorbed? Biotin Hair Shampoo for Thinning Hair – Volumizing Biotin Shampoo for Men and Womens Dry Damaged… How does this work? biotin can’t be absorbed through the skin.