The brush certainly does work by giving hair more volume and covering sparse areas where my hair is thinning. But I’ve noticed my hair seems to look more fuzzy, almost as if the hair broke off just above the roots. Bearing in mind I don’t colour treat my hair or use harsh chemicals. My hair is normally smooth and shiny but this time it was almost like a halo of fluff around my head. I’ll keep on using the brush to cover the thinning bits.