Size: 5 ml, Deluxe Sample Product Type: Lip Treatment What It Does: This treatment deeply moisturizes with hyaluronic acid and sea buckthorn berry, while simultaneously exfoliating away dead skin with papaya enzymes. The result? Lips that are smooth, soft, and plump. How to Use It: Apply to clean lips as needed throughout the day. It can be used alone or as a hydrating base for your favorite lip color.