Revolve Thickening line and Evolve Nourishing 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 Revolve 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 6.75oz bottle of Revolve shampoo 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. The Zenagen Revolve system is perfect for anyone experiencing visibly thinning or shedding hair . If you have hair breakage caused by heat damage, or simply want to maintain full, healthy hair, use the Zenagen Evolve system.

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.