This sheet mask simplifies “slugging,” a popular moisturizing technique that involves slathering the face with an occlusive product as the last step in an evening skincare routine. There are six antioxidant-packed plant-based oils featured in this formula (macadamia nut, jojoba, grape seed, olive, avocado, and evening primrose) and they were selected “to create a new age alternative to the traditional practice of applying petroleum jelly to your face before bed.”