However, here are some popular retinol-based products that are widely used and well-regarded in the skincare community:

1. Differin Gel 0.1% – A prescription-strength retinoid gel that is available over the counter and is effective in treating acne and improving the appearance of aging skin.
2. The Ordinary Granactive Retinoid 2% Emulsion – An affordable, over-the-counter retinol product that is well-regarded for its ability to improve the appearance of fine lines and wrinkles without causing irritation.
3. SkinCeuticals Retinol 0.5 Refining Night Cream – A high-quality retinol cream that is formulated with 0.5% retinol and provides a gentle, yet effective, approach to improving the appearance of aging skin.
4. Sunday Riley A+ High-Dose Retinoid Serum – A high-strength retinol serum that is formulated with a blend of retinoids and antioxidants to provide powerful anti-aging benefits.
5. Paula’s Choice Resist 1% Retinol Booster – A concentrated retinol booster that can be added to your existing skincare routine to enhance the anti-aging benefits of your products.

These are just a few examples of popular retinol-based products. It is important to consult with a dermatologist before starting a new skincare product, especially if you have sensitive skin or any existing skin conditions. They can help determine the best retinol product for your specific needs and skin type.