This high-performance Lip Serum from Buxom is designed to deliver a visibly plumping effect for fuller-looking lips. Infused with collagen, it works to hydrate and smooth the delicate lip area, enhancing natural volume and definition. Ideal for daily use, this formula provides immediate visual benefits while supporting long-term lip health. Use it as a base under your favorite lipstick or wear it alone for a glossy, voluminous pout.