Vitamin A: Increases the natural oil production in the scalp and improves the shine of the hair. Vitamin Biotin (B7): Promotes hair growth and strengthens hair strands. Vitamin C: Helps the production of COLLEGEN, which contributes to the strength of the hair. Vitamin D: Promotes hair growth and increases hair density. Vitamin E: Protects hair from environmental damage and provides protection against damage. Vitamin B12: Increases the production of red blood cells in the scalp and improves blood flow. Iron: Helps transport oxygen to the scalp and supports hair growth.