Starting retinol can truly feel like a battle, especially when your skin reacts more intensely than expected. From my experience, applying retinol twice a week using the sandwich method—moisturizer before and after retinol—helps reduce irritation significantly. It’s essential to be diligent with sunscreen every single day, no matter the weather, because retinol makes your skin more sensitive to UV damage. In the beginning, it's completely normal for your skin to look worse before getting better. I noticed redness and slight peeling during the first few weeks, but these symptoms gradually subsided as my skin built tolerance. Patience is key; pushing usage too often can backfire and cause prolonged irritation. Also, hydration is critical—using a gentle, fragrance-free moisturizer helps support the skin barrier throughout the process. For anyone in their late 20s considering retinol, starting slow and listening to your skin's signals will lead to the best results. Retinol is a powerful anti-aging ingredient, but combining it with consistent sun protection and the sandwich method ensures your skin isn’t overwhelmed. Remember, the goal is healthier, glowing skin, not irritation, so take it step by step and give your skin time to adjust.