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Frequently Asked Questions About Cosmetic Fillers

By

Nelson Castillo, MD

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In the ever-growing world of anti-aging products and procedures, cosmetic facial fillers are gaining popularity among men and women alike.

Atlanta-based plastic surgeon Nelson Castillo, MD, discusses how fillers work and answers frequently asked questions.


1. Q: What are cosmetic fillers?

A: Cosmetic fillers are the second most popular minimally invasive procedure in plastic surgery practices. Whether used to support the soft tissues of the face, enhance a patient’s facial anatomy, restore soft tissue volume loss, or lift tissues that gravity and age have caused to thin and sag, fillers help create a more youthful shape and contour to the face, often delaying the need for surgery.

Cosmetic fillers are not the same as neuromodulators, like Botox, Dysport, or Xeomin, which prevent muscle contraction and, thus, wrinkle development–though they all certainly contribute to facial rejuvenation and a younger appearance. When I ask patients if they are more concerned about wrinkles or sagging, thin skin, 99% will say sagging, thin skin–and that’s where fillers come in. Fillers work directly on tissues by filling in thin lips, “laugh lines” around the mouth, lower eyelid hollowing, and the apples of the cheeks.

And, in fact, cosmetic fillers are not just for women, as professional men like executives and salesmen are one of the fastest growing consumer markets for filler use. When administered properly, fillers allow men to maintain a masculine, yet youthful appearance while projecting a greater overall sense of self-confidence.

2. Q: What are the different types of fillers available?

A: The several different types of fillers available vary by their chemical composition, degree of gel thickness, and anticipated duration of effects. The most commonly used fillers today are comprised of hyaluronic acid, or HA, a naturally occurring substance found throughout the skin and connective tissues of the body. HA filler brand names include Juvederm, Voluma, and Restylane. The thicker, gel versions of these fillers are typically injected deeper into the skin in areas like the cheek, jawline, or chin, while thinner fillers are placed closer to the skin surface and are good for the areas around the eyes and the lips. The chance of an allergic reaction to HA fillers is small, and many patients find comfort in the fact that if they do not like their post-procedural result, the effects of HA fillers are fully reversible.

In contrast to the immediate effects seen with HA fillers, poly-L-lactic acid fillers achieve results subtly over time by stimulating the body’s natural production of collagen, the protein in skin that keeps us looking young.  Composed of the same synthetic compound plastic surgeons have used for years in solid suture material, Sculptra is the only poly-L-lactic acid filler available in the United States. Patients typically require three Sculptra treatment sessions spaced over a few months, but results can last for two years or more.

The third and final type of filler I often use in my practice is derived from calcium hydroxylapatite, a mineral-like compound found in human bone that has been converted into a filler by placement into a gel carrier.  Commonly known in the U.S. as Radiesse, this cosmetic filler uses calcium hydroxylapatite particles as a support system for collagen to grow, and because of its thicker composition, is best placed in deeper portions of the face like the cheeks. Recently, Radiesse also received Food and Drug Administration approval for hand rejuvenation, as it can help hide the veins and tendons that become more noticeable with time.

3. Q: How long do fillers last?

A: Filler duration depends on a number of factors inherent to both filler and patient. For example, the effects of Juvederm, a hyaluronic acid (HA) filler, may last three to four months in some patients, yet six months or longer in others. Sculptra, with its collagen stimulating properties, can produce results anywhere from 18 months to more than two years, while Radiesse tends to last for 9 to 15 months.



THIS CONTENT DOES NOT PROVIDE MEDICAL ADVICE. This content is provided for informational purposes and reflects the opinions of the author. It is not a substitute for professional medical advice, diagnosis or treatment. Always seek the advice of a qualified healthcare professional regarding your health. If you think you may have a medical emergency, contact your doctor immediately or call 911.


Nelson Castillo, MD

Nelson Castillo, MD, is an Emory-, Harvard- and University of Pittsburgh-trained ASPS board-certified plastic surgeon. After working as an attending physician at UNC-Chapel Hill, Dr. Castillo opened his private practice in Atlanta in 2015.
View his Healthgrades profile >

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Publish Date: Mar 8, 2016

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