Reparex

Reparex against gray hair is a cosmetic product that restores your original hair color. Reparex is not a dye and restores hair color naturally from the inside out, unlike hair dyes. The transition is gradual. so nobody will notice you have used Reparex. Natural hair color is usually achieved within 7-14 days. However, a noticeable difference is visible in most cases after just 5 days of application.