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This serum attacks blemishes at their root causes — excess oil production, bacterial overgrowth, and clogged pores. Mandelic acid is an AHA that exfoliates but does not irritate due to its oil solubility and large molecule size which allows for slower, more gentle skin penetration. In addition, pigment lightening has been reported with regular use of mandelic acid. Willow bark and salicylic derivatives give the serum astringent and keratolytic benefits, while botanical superstar, Alpiflor™ reduces sebum production. Mandelic serum offers cleaner pores and a brighter, smoother complexion, without irritation.