October 2021 in “The Egyptian Journal of Hospital Medicine ” Combination therapies work better than single treatments for atrophic acne scars.
April 2022 in “The Egyptian Journal of Hospital Medicine” Platelet Rich Fibrin improves healing and reduces acne scars by slowly releasing growth factors.
81 citations,
January 2000 in “American journal of clinical dermatology” Various treatments can improve post-acne scars, but results vary.
4 citations,
September 2019 in “Journal of The American Academy of Dermatology” Platelet-rich plasma combined with other treatments improves acne scars better than those treatments alone.
42 citations,
December 2014 in “Clinical, cosmetic and investigational dermatology” Nonablative radiofrequency treatments, especially microneedle and fractional types, can improve acne scars by 25%–75% after 3-4 sessions, with full results in 3 months and some side effects.