THE BEST SIDE OF ANTI AGING FORMULA

The downside? Retinoids—Particularly retinaldehyde, the strongest over-the-counter retinoid that's located in this Peach & Lily serum—is fairly sensitizing, resulting in dryness and irritation. But this formula is legit great, because it utilizes a compound called ectoin to effectively "pause" the receptors in the skin that trigger inflammation