Zenagen has expanded the company to salon professional distributors across the world and the US. Zenagen salons and distributors or to return to the Zenagen front page. HPI offers hair replacement, enhancements and laser therapy to stimulate hair growth. Clients have usually been men and women, children and adults, all experiencing hair loss or thinning for a variety of reasons. Jared, every of these shampoobased treatments serves distinctly unusual hair care needs, all were probably convenient, unusual and ‘colorsafe’. Zenagen Revolve for men and women’s hair loss, and Zenagen Evolve for accelerated hair growth and damage repair.