HAIR NOURISHING INGREDIENTS: Nanotech Stem Cell Shampoo & Conditioner is scientifically formulated with powerful, nutrient-rich ingredients to help promote fuller, more youthful looking hair. - NATURE, AMPLIFIED: At Cel, our mission is to take the most effective, natural ingredients and combine them with expert scientific breakthroughs to create a product that will truly deliver results. - 30 DAY MONEY BACK GUARANTEE: We are so confident that you will LOVE our Stem Cell Hair products that we offer a 30 DAY MONEY BACK GUARANTEE. If they don't work, then we don't deserve your money.