Atrophic acne scars

This trial tests whether combining microneedling with a chemical peel improves atrophic acne scars more than microneedling alone. Sixty adults with these scars are randomly assigned to receive microneedling followed by a 35% glycolic acid peel, microneedling followed by a 15% tri…

This study tests an injectable gel called ELAPR002f for adults with indented acne scars on the cheeks. About 157 participants will receive either the gel or a saline placebo over 2 months and be followed for a year. The goal is to see if the gel safely fills in scars and improves…

This trial compares two ways to treat atrophic acne scars—depressed scars left by acne. All participants undergo a minor procedure called subcision to release the fibrous bands pulling the skin down. Then, one group receives injections of a bio-filler made from their own blood (p…

This study tested whether exosomes from umbilical cord or bone marrow can improve atrophic acne scars when applied after fractional CO₂ laser treatment. Twenty-two adults received laser on both sides of the face, then exosomes on one side and a control solution on the other. Rese…