Kiehl's Avocado Nourishing Mask. Smoothes & Softens Skin. Inspired by freshly picked avocados, this rich and addictively creamy facial mask intensely hydrates skin, leaving it feeling soft and replenished with moisture. Formulated with Avocado Fruit Extract, omega rich Avocado Oil and Evening Primrose Oil, this mask leaves skin feeling nourished while helping to prevent water loss by sealing in moisture. For soft, healthy looking skin, this mask is the perfect pick!