Kiehl's Age Defender Power Serum is a powerful treatment that provides you with a first line of defense against the effects of aging. It's formulated with cypress extract, an ultra-lightweight age defender that helps to visibly firm sagging skin and reduce the appearance of wrinkles for a more youthful, resilient appearance. It boosts the efficacy of your moisturizer, absorbs quickly and targets specific concerns with its highly concentrated formula.How to #WeightLoss