11 citations
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May 2000 in “International Journal of Dermatology” Taking a small dose of prednisone before menstruation can almost completely prevent premenstrual acne with few side effects.
2 citations
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January 2002 in “The Journal of Korean Medicine Ophthalmology and Otolaryngology and Dermatology” This study found that Sophora flavescens extract promoted hair growth in mice by advancing the hair cycle and may inhibit acne-causing bacteria, though it did not affect in vitro hair follicle cell growth.
106 citations
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January 2016 in “Journal of Cosmetic Dermatology” This study found that adding platelet-rich plasma to microneedling improved outcomes for atrophic acne scars more than microneedling alone, according to both quantitative and qualitative assessments.
2 citations
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August 2021 in “Australasian Journal of Dermatology” This study found that persistent acne in adult females is often moderate severity, and younger age, premenstrual flare, and irregular menstruation were linked to PCOS, suggesting a need for screening.
November 2015 in “International journal of science and research” This study found that adult acne is more inflammatory than adolescent acne and predominantly affects the cheeks, jaw-line, and chin.