Protect and perfect beauty serum £21 Boots: This serum has been a firm favourite in my beauty box for the last six months. I love this serum so I thought I would share with you why I love it! Ok, so this serum is not expensive and works so much better than more expensive brands. Especially since you can get 3 for 2 offer every few months. It smooths your skin and moisturises. This makes my skin look flawless. I love it and this will definitely stay a firm favourite in my beauty box!!!