The Biossance Squalane + 5% Niacinamide Brightening Eye Serum 15ml is a cooling roll-on serum designed to refresh the eye area in one swift sweep. n The lightweight formula combines 5% niacinamide, vitamin C and caffeine to visibly brighten and hydrate, while the 360 metal applicator helps soothe the look of puffiness. The texture absorbs quickly without residue, making it ideal for pre-makeup prep or an afternoon refresh.