I put it directly on my scalp while it’s dry. I let it sit for 15-30mins before shampooing. 1-2x a week in the summer, once every other week in the winter. Keeps my hair from getting oily.
The Ordinary Glycolic Acid 7% Exfoliating and Brightening Daily Toner
I use 1-2x a week to keep my scalp from getting oily