I started using Retin A 0.5% (prescription) about 3 months ago.

Nicole - Thanks for your question! It can take some people quite awhile to build up your skin's tolerance for topical prescription retinoids. Some people are never able to work up to a nightly application, and that's fine. I believe consistency with the product is important. If you are able to use your Retin-A 3 times a week consistently, stick with that for a while! You are still getting the benefits of use, it may just take a little longer to see results. You also didn't mention what products you are using in conjunction with your topical retinoid. For all my patients using topical retinoids, particularly those with more sensitive skin, I recommend using a good moisturizer. You may want to try applying your moisturizer prior to applying your retinoid at night. This can really help cut down on some of the irritation associated with topical retinoid use. Good luck!

Some people cannot handle prescription strength Retinoic Acid. You may be able to build up to 4 times a week. My suggestion is to use less product. However much you apply to your skin, your skin has to use. It cannot be converted into storage for later use, unlike Retinal, Retinol and Retinyl Esters. (non prescription Vitamin A) If you apply too much, your skin is forced to use it, causing dryness and irritation. If you find you are not able to build up to 4 times a week, there is no harm. Using it 3 times a week is perfectly fine to still obtain the benefits.