Rainbow Nutrients Hair Growth Vitamins w/ Biotin 10,000mcg &Collagen 120Capsules

Collagen + OptiMSM = Stronger, Shinier, Healthier Hair - Clinically-backed OptiMSM works synergistically with collagen peptides to strengthen hair structure, boost elasticity, and reduce breakage. Promotes stronger strands and supports radiant skin & nails — your all-in-one beauty vitamin.