Its gentle formula is ideal for sensitive skin types and it's rich in ingredients, which work together to rejuvenate, moisturize, plump, and soothe the lips. It can also be used multiple ways: as a balm for an instant boost of hydration and volume, or as an overnight mask to maximize its nourishing benefits. No matter how you use it, the consistency is ultra-comfortable to wear, so you can apply it day or night. BENEFITS: This lip booster feels wonderful to apply with an applicator that hugs your lips. Immediately, lips feel comforted and smooth with less-visible lines and signs of irritation. With consistent use, this lip booster is shown to visibly increase lip volume and decrease lines.