USTRAA Beard Growth Serum is a blend of natural extracts and Redensyl®, a patent breakthrough chemical that works on hair follicle stem cells to enhance beard hair growth for acne-prone and sensitive skin. Wheat, soy, and Nasturtium flower extracts are combined in this formula. All of this works together to promote beard growth while also keeping your facial hair healthy and nourished. This serum is silicone-free, paraben-free, mineral oil-free, petrolatum-free, sulfate-free, and oil-free.