Stock up and save 10% on our new potent, next-gen retinol. Retinaldehyde Cream Serum 0.10%: Our results-driven serum is formulated with an increased level of sustained-release retinaldehyde at 0.10%. This potent next-gen retinol directly converts to retinoic acid, which visibly addresses the look of fine lines, uneven tone and texture. Added biofermented oligopeptide actively refines skin texture and enhances radiance for optimal results. Bundle Kits will arrive in our standard shipping boxes and do not include special packaging. Bundle Kits are Final Sale and not eligible for additional discounts or coupon codes.