✅WHY TAKE BIOTIN, ZINC & COPPER?. - Biotin is referred to as the 'Beauty Pill" because of its role in promoting healthy skin, hair & nails. Copper is a mineral found throughout the body. - Each daily serving (2 tablets) has been formulated to provide 10,000 μ g (mcg) Biotin, 10mg Zinc & 1mg Copper.