Calcium hydroxylapatite (CaHA) is a mineral constituent of the bone and has been used in various medical applications for more than a decade. In 2003 CaHA (Radiesse®; (Fitzgerald and Rubin Dermatol Clin 32: 37–50, 2014) Merz Pharmaceuticals GmbH, Frankfurt, Germany) received FDA approval for soft tissue augmentation but is also being used as a collagen stimulator. As a result of inflammation, it stimulates chemotaxis of macrophages which brings fibroblasts, in a healing process, leading to collagen and elastin production (Casabona and Michalany Derm Surg 40:12s , 2014).
In this chapter we describe the use of CaHA as a secure and effective product to be used to stimulate neocollagenesis and also restore depressions in unusual areas of the body.
Neocollagenesis Calcium hydroxylapatite Body Laxity Stretch marks
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