PCA SKIN Intensive Clarity Treatment 0.5% Pure Night 1 Fluid Ounce is formulated to provide intense hydration while you sleep. Apply this product right before you go to bed at night to wake up feeling rejuvenated and years younger. While you re off to dream land the all-natural ingredients in this serum work together to nourish your pores and replenish dry flaky skin without causing any harmful side effects. PCA SKIN delivers products that are suitable for every skin type. Whether you have dry oily normal or even highly sensitive skin its products can repair and prevent even the most problematic skin issues.