This multi-effect retinal night serum uses the power of retinaldehyde to smooth textured and blemished skin, improve the look of fine lines and wrinkles, and brighten uneven skin tone. This multi-effect retinal night serum uses the power of retinaldehyde to smooth textured and blemished skin, improve the look of fine lines and wrinkles, and brighten uneven skin tone. Youth To The People’s modern skincare line is driven by unconventional superfoods backed by innovative science to offer farm-to-vanity elixirs that work wonders on your skin.