our 3-in-1 lightweight gel serum synthesizes AHAs and vitamin C to help smooth, clarify and brighten skin in just 10 days*. formulated with potent ingredients that work together to deliver numerous benefits in just one step, this multitasker is the perfect addition to an uncomplicated regimen. a blend of 6% glycolic acid and 2% lactic acid helps improve texture and reduce excess oil while 2% stabilized vitamin C helps brighten, strengthen and protect skin. niacinamide and phytic acid balance skin and help minimize the appearance of pores. ideal for all skin types, including sensitive.