Dermoskin Biotin Shampoo For Men 200ml Biotin Shampoo For Men helps cleanse the scalp and hair strands delicately, without leaving any residue on them, and gives vitality to the hair. Biotin nourishes the hair follicle and increases the natural resistance and durability of the hair. It helps prevent hair loss and helps hair grow healthily. How to use: Apply to wet hair and lather. Leave it on the hair for at least 3 minutes and rinse. It is suitable for frequent use.