HA/CaHa (HArmonyCa, Allergan Aesthetics, an AbbVie Company) is a hybrid injectable filler developed for aesthetic purposes that contains calcium hydroxyapatite microspheres suspended in a hyaluronic acid gel. This review describes preclinical and clinical data, recommendations for use based on the primary author's clinical experience, and case studies that illustrate implementation of product use recommendations and patient outcomes.
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Braz et al. (2024) studied this question.
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