1 citations
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November 2024 in “Cutis” PLLA injections can cause hair loss and skin issues.
This case study reports that a 35-year-old woman developed nonscarring alopecia following the cosmetic use of poly-L-lactic acid on her face and hairline.
11 citations
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January 2019 in “Skin appendage disorders” This article reports a case of a 30-year-old woman developing alopecia after a hyaluronic acid injection, with trichoscopic findings described for the first time.
January 2026 in “JPRAS Open” In this pilot study, PDLLA scalp microinjections showed improvement in physician-rated Global Aesthetic Improvement Scale scores over 12-24 weeks for 90% of patients with non-scarring alopecia, with no serious adverse events reported, although findings remain preliminary due to methodological limitations.
April 2026 in “Journal of Cosmetic and Regenerative Medicine” This review highlights that dermal filler-induced alopecia is a significant complication of aesthetic procedures that practitioners need to recognize, with hyaluronic acid being the most commonly involved agent.