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The biostimulatory injectable fillers poly-l-lactic acid and calcium hydroxylapatite have numerous indications and are increasingly used by dermatologists for novel applications. Initially approved for the treatment of HIV-associated lipoatrophy, their stimulation of collagen synthesis leads to a filling effect with long-lasting results. As such, they can be used for numerous cosmetic purposes including wrinkles, scars, and body contouring. In this review, we discuss the biological properties and indications for these two fillers, as well as our experience and technique in using them to treat cellulite and in gluteal enhancement
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Logas et al. (2018) studied this question.
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