Retinol is a must-have skincare ingredient for many of us. The staple of a strong, efficacious skincare routine, retinol can help with everything from fine lines and wrinkles to acne.
However, it's well known that retinol serum or cream is not the easiest thing to introduce to your regimen, largely because it's not always tolerated right away by skin. While there are certain rules you can abide by that'll ensure the path of least resistance is followed (we're talking using only at night, wearing lots of SPF the following day and introducing it slowly to start with), new users of retinol can experience side effects.
