Those looking to up their retinoid game will appreciate that this serum contains an impressive 6.5 percent blend of retinoids and retinoid-like botanicals for smoother, clearer skin. And those botanicals (namely hawaiian white honey, bisabolol, ginger, and prickly pear cactus) don't just deliver wrinkle fighting benefits; they also help reduce the appearance of the redness, flaking, and other less-than-pretty side effects that can often accompany such a potent retinoid. So much so, that it didn't even irritate our super sensitive skin.