Why are calcium hydroxyapatite fillers so popular?
Why are calcium hydroxyapatite fillers so popular?

The use of dermal fillers, classified as medical devices by the FDA, are a big trend in the dermatological field. Their primary action is mechanical, providing a filling effect and not pharmacological.

With that in mind, some substances like the Calcium hydroxylapatite (CaHA) are adapted for use in nonsurgical treatment options for facial rejuvenation. The formulation that is sold on the market is composed of CaHA microspheres suspended in a gel vehicle and although it can be long-lasting, it is not a permanent procedure. 

It is highly compatible with human tissue and is mostly used to improve wrinkles, nasolabial folds, chin lines and other sulcus and lines that appear during the aging process. But it is not recommended to improve lips volume, fine lines around the mouth and under the eyes, due to the different skin characteristics in these areas. 

It also acts as a collagen biostimulator, and will gradually provide after application new tissue formation through neocollagenesis, elastin production, angiogenesis, and dermal cell proliferation. This is great as one substance will lead to both immediate filling effects and creating long-term changes in the skin as well.

The application usually lasts up to one year and more but in some cases, a maintenance session should be booked to guarantee the desired effects. The only cases that the CaHA fillers are not recommended are patients that are currently with oral herpes or similar infections, uncontrolled diabetes, blood-clotting problems, pregnant or breast-feeding or in case of allergy to CaHA or other ingredients in the formulation.

Read also: Chin Fillers: Candidates, Results, Side Effects, and More

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Maísa Melo, MSci

About the Author: MSci Maísa Melo is a Pharmacist and a current PhD student in cosmetic technology, from São Paulo, Brazil. She has earned her master’s degree from the University of São Paulo and has been involved with the development, stability, safety and efficacy of cosmetics since 2013. She has specialized in the clinical efficacy of cosmetics by biophysical and skin imaging techniques as well as the use of alternative models to animal testing. Her research work has been published in several scientific journals and book chapters from the field.