Is it true that if you use tretinoin before wrinkles start it will have a better effect rather than when wrinkles have formed?

Thank you for your question. A common side effect of tretinoin is dryness, peeling, irritation, redness, etc. The higher dose might be causing some irritation with your skin, therefore, when you apply sunscreen, your skin burns. I highly recommend you consult with a board certified dermatologist...

When using Retin-A, you want to listen to what your primary doctor suggests. Most Doctors suggest mixing your Retin-A with your moisturizer. Why? So it does not strip your skin barrier. The rule of thumb in skin care is to layer products from thinnest to thickest. Most people don't know what...

Thank you for your question. Topical therapy after Accutane can be helpful if acne has already returned but in my experience, topical therapy is not initiated unless acne is recurrent. No there is no systemic absorption of tretinoin. If you have further questions, I highly recommend you consult...