What it is: A nighttime serum that combines retinol with bakuchiol, a plant-derived retinol-mimicking compound, to deliver younger-looking skin. Who it's for: Ideal for those with dull, aging skin.What it does: The brand's proprietary CoRetinol Technology dramatically softens the look of wrinkles and expression lines, improving the appearance of skin elasticity and tone. Collagen and prickly pear extract round out this advanced treatment with 1.25% retinol to infuse the skin with plumping hydration while minimizing the look of redness and dryness for a firmer, smoother appearance. How to use: At night, apply no more than two pumps to cleansed, dry skin. Do not use more than the recommended amount. If mild irritation or redness occurs, use every other night until skin adjusts. Made in the USA