VO5 has a unique formula with 5 essential vitamins that nourish, moisturize and hydrate the hair, leaving it thicker, fuller and simply beautiful. This is the secret of VO5! Shampoo, Moisturizer, Strawberries & Soy Milk Protein Cream. Long-lasting fragrance. 5 essential vitamins for healthy and beautiful hair. Vitamin E, Vitamin H, Vitamin C, Vitamin B5, Vitamin B3. VO5 has a unique formula with 5 essential vitamins that help nourish, hydrate and moisturize hair to make it thicker, fuller and simply beautiful. This is the secret of VO5! This product has not been tested on animals.