Perfect Hair, Skin & Nails nourishes healthy hair, skin & nails with fermented Biotin to support your natural production of keratin. Protects & reduces cell damage with Astaxanthin, a rare plant-nutrient from organic algae and over 50x stronger than Vitamin C+.Recommended Dosage: (Adults) Take 1 capsule daily. To avoid digestive upset, take with food/meal.Caution: Do not use if you are pregnant or breastfeeding. Do not use if you are allergic to plants of the Asteraceae/Compositae/Daisy family. Known adverse reactions: Hypersensitivity/allergy can occur; in which case, discontinue use.