Good genes is the cult glycolic acid serum from Sunday Riley - award-winning thanks to its unrivalled ability deeply exfoliate and repair, revealing a radiant and healthy-looking complexion. The reigning favourite from Sunday Riley's clean and conscious skin care collection, this rave-reviewed once-a-day serum penetrates the surface of the skin with tiny glycolic acid molecules, sinking deeper than other forms of aha for a thorough break-down of pore-clogging dirt and debris. Fermented prickly pear extract makes the formula safe for soothing even the most sensitive skin, while lemongrass extract guarantees the purest finish. Wave goodbye to congested, wrinkled, dull and sun-damaged skin - this serum yields both instant and long-term results.