I just started taking them a month ago. I haven't really noticed a big difference with my hair yet, but my nails are growing much faster than normal
Hair type: 2c/3a, fine, med density, med-high porosity
Co-wash: tresemme naturals
RO: garnier fructis nutri-repair nourishing, matrix cb, ytc
LI: sukin, matrix cb, kckt
Sealer: argan oil, coconut oil
Gel: garnier fructis endurance 24 hr, kccc
Dt: matrix cb, alchemy masque
Pt: gelatin, joico Kpak