The highest-strength retinoid formula with stabilized retinaldehyde for advanced age support, optimal for nighttime use. Retinal 0.2% Emulsion is a very high strength retinoid formula that rapidly firms and smooths skin, while noticeably reducing the appearance of dark spots. It helps refine skin texture, while targeting uneven tone and boosting luminosity for brighter, more even-looking skin. The serum-textured formula is suitable for all skin types, and is recommended for experienced users of retinoids. If you are new to using retinoids, we recommend exploring the Granactive Retinoid 2% Emulsion, or the Retinol 0.2% in Squalane, and progressing to higher strengths as your skin builds tolerance. Retinal (also known as retinaldehyde) is a well-studied retinoid that offers more efficient delivery of the most direct form of vitamin A molecules than retinol, thanks to being 1 conversion step closer to the bioactive form of vitamin A. With a high 0.2% concentration of retinal, Retinal 0.2%