cost of retin a
1 The price for Retin-A can vary from $50 online from Canadian pharmacies to $100-plus from local ones. 2  The prescription is usually in a 45-gram tube that lasts four to six months. 3  Retin-A is not covered by insurance unless you have a prescription to treat acne. Call your doctor if you experience severe irritation. 2  While using Retin-A, your skin will be more sensitive to the sun so you should use a good sunscreen (SPF 15 or higher) daily. 3  If your skin is sunburned, windburned, irritated, or wounded, do not use Retin-A until it has healed.