April 2026 in “Biomedical Research and Therapy” This study found that certain genetic variants, specifically CYB5R1 and IL1A, may be linked to different types of acne scarring, with CYB5R1 associated with atrophic scarring and IL1A with fibrotic scarring, indicating a potential polygenic nature of acne scarring.
February 2024 in “Australasian journal of dermatology” This study found that in atrophic acne scars, inflammation infiltrates the pilosebaceous unit over time, affecting resident stem cells and hindering the normal regeneration of the epidermis and adnexal structures, leading to scarring.
33 citations
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September 2016 in “Lasers in Surgery and Medicine” In this review, the authors report that fractional resurfacing can be a safe and effective technique for treating scars and promoting photorejuvenation in Asian skin, though it requires cautious use to minimize risks like post-inflammatory hyperpigmentation and rebound melasma.
81 citations
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January 2003 in “Journal of cosmetic and laser therapy” This review discusses various techniques for treating post-acne scars, highlighting new laser technologies and tissue augmentation methods, but reports no new clinical results.
October 2021 in “The Egyptian Journal of Hospital Medicine ” This study concluded that combination therapies often yield better results for treating atrophic post-acne scars than single treatments.
