A Revolutionary Way to Treat Hair Loss and Thinning évolis® tonic is the first an only product harnessing the power of FGF5 blocking ingredients to prevent hair fall, and increase hair growth FGF5 is the key villain in the hair cycle and has been identified as a key component of pattern hair loss by multiple independent large-scale genetic studies. By harnessing natural FGF5 blocking actives, évolis® restores and extends the growth phase of the hair cycle, can stop hair falling out and keeps hair growing longer, stronger and faster. évolis® has been clinically tested to help reduce hair loss and increase the number of growing hair follicles. In a controlled study, évolis® users reduced hair loss by 82% and increased hair growth by 44% over 4 months*. Each évolis® tonic is made in Australia to pharmaceutical standards to ensure the highest quality of each product.