34 citations
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September 2020 in “Clinical, cosmetic and investigational dermatology” Hyaluronic acid increases collagen synthesis safely, while poly-L-lactic acid may cause complications by affecting fibroblasts.
February 2026 in “Plastic and Aesthetic Research” Regenerative aesthetic medicine aims to restore tissue function, but needs more consistent evidence and standardized practices.
November 2025 in “Scientia Pharmaceutica” Injectable biostimulators can improve skin by boosting collagen and fat cell activity, but more research is needed to confirm their safety and effectiveness.
Poly-L-lactic acid injections can cause hair loss and skin issues.
January 2025 in “JAAD Case Reports” PLLA dermal fillers can cause hair loss, but it can be treated with steroids.