• Dietary supplement formulated with l-cystine, brewer's yeast, biotin, vitamins, and minerals to improve the condition of hair, nails, and skin. • Biotin and zinc contribute to the maintenance of hair and nails under normal conditions. • Vitamin A, biotin, niacin, and riboflavin help maintain skin in good condition. • Suitable for men and women, especially in situations of unbalanced diet, seasonal changes, nerves, or stress. • Directions for use: take 1 tablet a day during breakfast. Do not exceed the recommended daily dose. • Product dimensions: 2.8 cm wide, 8.5 cm high, 13.7 cm long, with a weight of 0.035 kg.