Can PLLA Treat Chest Wrinkles
When it comes to addressing chest wrinkles, many people overlook the delicate nature of this area. The skin here is thinner than on the face, with 20-30% less natural collagen according to dermatological studies, making it prone to creases from sun exposure, aging, or repetitive movements like bending forward. This is where PLLA (poly-L-lactic acid) …