- For thinning hair, chronic and severe. With four patents, 'Phytolium 4' is a groundbreaking hair support system engineered with a potent bioactive complex to help extend hair's life cycle while supporting healthy hair growth. Use it before you lose it! PHYTO has garnered a cult following for its thinning hair treatments. Inspired by cutting edge science, 'Phytolium 4' features a potent, biotechnology-derived complex [shiitake mushroom + wild apple tree stem cells] that triggers exceptional cellular regeneration while protecting the hair follicle to help prolong hair's life cycle and prevent premature thinning. The unidose vial gives you the perfect dose of treatment for each application; hair will feel stronger, denser and thicker. Formula is 88% proven effective*. 2 pounds of plants in each dose. *In a study conducted by an independent laboratory on 28 volunteers having suffered from chronic & severe hair thinning. Use 3x week for 3 months. Apply to dry or towel dried hair. Using the applicator nozzle, carefully apply one full application at the root of the hair, section by section. Massage to stimulate the scalp and to encourage diffusion. Do not rinse out. Style hair as usual. PHYTO recommends using 'Phytopolléine Botanical Scalp Treatment' 1x or 2x per week to prepare scalp to receive the full benefit of 'Phytolium 4'.