Revolve Professional Thickening Therapy and Evolve Professional Accelerating Therapy systems feature convenient shampoo treatments that are used in the shower 3 – 4 times per week (Revolve) or 2 – 4 times per week (Evolve). For optimal results, shampoo must remain on hair and scalp for 5 minutes. Revolve and Evolve Hydration Therapy Conditioner can be rinsed immediately or when desired.

It is safe to use the treatment every day; however, the recommended use of the Revolve system 3 – 4 times per week is sufficient to deliver optimal results. When used correctly, one bottle of Revolve shampoo treatment should last up to 3 months

Because the Zenagen Revolve and Evolve lines target different hair concerns, it’s important to determine which line is right for you. If you would like the appearance of thicker, fuller hair, use the Zenagen Revolve system. If you have hair breakage caused by heat damage, want to grow longer hair, or simply want to maintain full, healthy hair, use the Zenagen Evolve system.

DHT is a natural androgen hormone created by the enzyme 5-alpha reductase. This enzyme converts testosterone to dihydrotestosterone (DHT). The buildup of DHT is the most common cause of hair loss in men and women.

Yes. Both lines are completely color safe. Zenagen is free of parabens, sodium lauryl sulfate and minoxidil.

The Revolve line must be used 3 – 4 times per week to achieve desired results. If you wash your hair only 3 – 4 per week, simply use the Revolve shampoo treatment each time. We recommend that the Evolve line be used 2 – 4 times per week to achieve maximum reparative benefits.