
PLLA-based collagen booster that gradually stimulates your skin to rebuild its own collagen — natural-looking results over time
Duragen is a collagen booster based on PLLA (Poly-L-Lactic Acid), a biocompatible and biodegradable material long used in medical sutures. Unlike fillers that fill volume immediately, injected PLLA particles slowly break down and stimulate fibroblasts to produce collagen naturally over time. Because results appear gradually over 4–8 weeks, it is ideal for those who prefer natural-looking improvements.
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PLLA stimulates collagen production so the skin gradually restores its own elasticity and volume.