GLAM, OCTOBER 5, 2020

Scalp hygiene will affect the quality of your hair. If the follicle opening is clogged, it’s difficult for new hair to grow out. To that point, Hill recommends applying a pre-shampoo scalp oil to open the follicles, encourage cell turnover, and increase circulation. ... Follow that by using a shampoo dedicated for thinning hair, like Foligain Stimulating Shampoo for Thinning Hair."