Now that I’m firmly in my 30s, the relatively mild breakouts I faced as a teen have been replaced by deep, painful cystic ...

However, when you buy ... “Tretinoin use can potentially be very irritating, so it has not been deemed safe enough [by the FDA] at this point to be available over the counter,” says Hadley ...

Because retinol products are less potent, you can buy ... over the counter but requires patience to see results. It could ...