Nature's Plus Herbal Actives Hair, Skin & Nails is designed to provide structure, strength, support and elasticity to hair, skin and nails. Herbal Actives Hair, Skin & Nails combines the most widely recognized hair, skin and nail enhancing nutrients in their most potent forms. The result is the world's most advanced internal beautifying herbal supplement ever developed. Guaranteed Maximum Potency: Each Herbal Actives formula is scientifically standardized to the highest level of active principles. HerbaShield: An exclusive purity and safety system, including light-resistant bottle, airtight inner seal, moisture-absorbing packet, tamper-evident safety cap and tamper-proof full bottle seal.