Pelpharma Tricovel Retard Biogenina 10 mg - 30 TabletsThis is how you strengthen your hair from the inside: with the patented Biogenina technology and a specifically effective antioxidant complex. The sustained release technology gradually releases the active ingredient. So it provides your hair continuously with only 1 tablet daily. Other ingredients such as the essential amino acid methionine, vitamins B6, C, E and folic acid as well as minerals such as copper and zinc complete the nutrient complex.