OVERNIGHT LIP MASK VANILLA. Benefits: This luxurious treatment ensures you wake up to soft, supple lips ready for the day ahead. Simply apply before bedtime and let the hydrating formula work its magic overnight. Use it alone or pair with Tree Hut Lip Scrub Stick and Tree Hut Lip Butter for the ultimate lip care routine. Tree Hut's Overnight Lip Mask is paraben-free, sulfate-free, contains no formaldehyde donors, and has a smooth, rich and non-sticky formula to create a protective barrier for supple lips when you wake up. Key Ingredients: Vanilla Extract contains antioxidants that can moisturize and soothe lips. Shea Butter is known to deeply moisturize, nourish and soften dry lips, while helping to promote elasticity. Vitamin E helps seal in moisture and strengthen the skin barrier. :