The world’s most experienced hair restoration expert. Creates thicker-feeling hair. LifeXtend complex contains algae extract to help remove toxins such as DHT (a primary cause of thinning hair . hair loss). Biotinyl-GHK may help promote healthier looking follicles. Saw palmetto extract helps improve follicle health. Apple stem cell extract may support healthy hair function. Soy amino acids help restore strength, thickness and volume. Vegetable protein volumizes, thickens and bodifies. Plankton extract protects from photo-aging, frequent washing and damage from brushing. ColorKeeper helps extend color. Doctor recommended Cruelty free Vegan. Made in USA.