17% spot and 7% brown spot reduction in just 28 days**Oligopeptide combined with patented ethyl ascorbic acid blocks formation of melanin and removes even the toughest brown spots. 7 % brown spot and 17% spot reduction in 28 days**Whitening performance study by Providence University Taiwan: 40 subjects were invited to apply Glutalight Intensive Whitening Spot Treatment/Glutalight Intensive Whitening Serum on a daily basis, with actual improvements inspected 7 days/28 days afterwardsUltimate whitening and moisturization in one solutionHyalo-Oligo® added, keep skin hydrated and brightened all day long.