REBORN PLLA Dermal Filler is a collagen stimulator, meaning it stimulates your skin to produce collagen. REBORN PLLA Dermal Filler works gradually over time to increase facial volume by stimulating your skin to produce its own collagen. In other words, Reborn PLLA Dermal Filler is reparing your tissue by stimulating collagen regeneration not just the simple filling. Dermal fillers can be used to correct a variety of concerns related to body's aging no matter for our face, neck, hands or breast, buttocks, including: 1.Adding volume and smoothing out the deep creases that run from the nose to the mouth (called nasolabial folds or laugh lines) or the deep wrinkles on the neck. 2.Augmenting cheeks to enhance their shape, often restoring youthful fullness. 3.Filling out depressions (hollows) under the eye area or the depressions on breast. 4.Making indented scars from acne or chicken pox more even with surrounding skin. 5.Increasing volume to fill out gauntness in the lower cheek or temple area, which most often occurs due to fat pads shifting beneath the surface of skin and so on. Reborn PLLA Dermal filler is powder form, the main ingredient is poly l-lactic acid. The particle size of plla microspheres is 3-10 microns. It can be used by 30G even 32G sharp needle or 27G blunt needle. Reborn can be used on face, neck, hands, breasts, buttocks,Arms, abdomen, thighs, feet, etc. The effects can last 20 months to 30 months after 3-4 treatments.