A duo kit featuring two sizes of our best-selling treatment serum, Good Genes All-In-One Lactic Acid Treatment. Achieve smoother and more radiant-looking skin with Sunday Riley Good Genes All-In-One Lactic Acid Treatment. Gentle enough for various skin types, this anti-aging treatment is formulated with purified grade lactic acid that works to clear skin and produce natural collagen. Ingredients like licorice, lemongrass and aloe help you achieve an even complexion while reducing the appearance of fine lines and wrinkles. Key Ingredients: Licorice: naturally brightens the appearance of hyperpigmentation. Lemongrass: boosts skin radiance Aloe: soothes and refreshes skin Clinical Study Results: 100% of women said their skin looked and felt significantly smoother and more radiant, with visibly reduced lines and wrinkles after application*. 100% of women said this was the most effective skin-plumping product they have ever used and would definitely recommend this product to a friend*. *Clinically tested and proven to significantly improve the appearance of lines and wrinkles in 3 minutes. Results obtained via profilometry analysis. Tip: Mix with two pumps of Ceramic Slip Clay Cleanser for their famous Flash Facial. Can be applied under foundation as a radiance primer, without any oiliness. | Sunday Riley Win Win Good Genes Lactic Acid Due Cleanser | Dermstore