"A retinol serum, however, contains a higher concentration of retinol than a night cream with retinol, allowing it to penetrate deeper into the skin. This makes it more effective but also more ...
It's true – even the best retinol serum can be troublesome, often causing redness and irritation when you first start using it. However, persevere (and employ a really good moisturiser to ...
I've been coating my face every other night with retinol serum since I was 14 to help ... always follow with moisturizer and load on the sunscreen in the morning. Glowing customer review: "I ...