SYSTEM 4 – Treatment - Very Weakened Dyed Hair - Step Face care ** Based on a clinical

** Based on a clinical study vs

with enhanced shine and a more controlled

a translucent glass vial with a brush tip applicator that effortlessly maximizes color with even coverage

smoothness and a lighter

SYSTEM 4 – Treatment - Very Weakened Dyed Hair - Step Face care ** Based on a clinicalSystem 4 scalp & hair treatment step 3 by nioxin. the nioxin range of products is designed to strengthen, nourish and repair fine hair from the roots. inspired by skin care to treat fine hair, it treats the 3 symptoms of thinning hair: derma, density, and diameter. backed by more than 30 years of research, nioxin is the most recognized brand for thinning hair in the us. it is supported by the institute of trichologists, the main professional