The Kiehl's Micro-Dose Retinol Serum is a great value for the money. It delivers visible results without breaking the bank. I've seen a significant improvement in my skin's texture and tone. The fact that it's made with high-quality ingredients and is free from harmful chemicals makes it even better. I would definitely buy it again.

I have oily skin, and I was worried that this serum would make it worse. But it didn't. Instead, it has helped to balance my skin's oil production. My skin looks less shiny, and the wrinkles are less noticeable. The ceramides in the formula have definitely helped with maintaining my skin's moisture barrier. I'm very satisfied with this product.

I'm in my late 30s, and I started noticing some signs of aging on my skin. This serum has been a savior. It has helped with the fine lines on my forehead and around my mouth. The peptide in it seems to have enhanced the overall integrity of my skin. I use it in combination with a moisturizer, and my skin has never looked better.