Kiehl's Since 1851
Kiehl's Cryste MarineFirming Serum
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This concentrated serum penetrates skin to improve firmness and elasticity and visibly soften the look of lines and wrinkles. This potent layering formula is made with Criste Marine, a naturally derived botanical from the Mediterranean Sea known to boost cell renewal, as well as Padina Pavonica and vitamin C glucoside to help improve the resilience and radiance of the skin.