Does Tretinoin Affect Hair Growth?

Tretinoin was shown to stimulate some hair regrowth in approximately 58% of the subjects studied. One female subject with pronounced alopecia for more than 20 years had regrowth of hair using only tretinoin for a period of 18 months.

Can tretinoin cause hair loss?

"A couple weeks after I started tretinoin, I noticed an increase in the amount of hair I was losing," they wrote, noting that their dermatologist explained that the hair loss could be due to the cream.

Does retinol reduce hair growth?

Abstract. Minoxidil enhances hair growth by prolonging the anagen phase and induces new hair growth in androgenetic alopecia (AGA), whereas retinol significantly improves scalp skin condition and promotes hair growth.