Zenagen Revolve Men's Thickening Shampoo Revolve Hair Loss Shampoo Treatment for Men offers a plant-based, healthy way to target hair loss and grow thicker, fuller hair. Powered by a proprietary blend of natural ingredients, Revolve Shampoo for Men's Hair Loss cleanses the hair follicle of DHT, the hormone that causes most forms of hair loss, while nourishing new and existing hair growth with our powerful amino acid complex. Features and Benefits: Targets common causes of hair loss, including genetic, chemotherapy and hormone-related hair loss. All-natural ingredients Soothes irritated and inflamed skin on the scalp Free from parabens, SLS, harsh chemicals, and alcohols Vegan, Cruelty-Free Gluten-Free