Injectable fillers may be used to correct a variety of cosmetic concerns, such as wrinkles, thin lips, acne scars, and dark or puffy under-eyes.
Cosmetic injectable, wrinkle fillers or dermal fillers are generally classified in two main categories:
• Temporary injectable fillers
• Semi-permanent or permanent injectable fillers
While these injections are often used as wrinkle fillers, they act differently than Botox, Dysport, and Xeomin a Botox competitor. Botox freezes the muscles that form wrinkles. Hence, you will rarely see a doctor suggest Botox for filling, such as lip injections.
Temporary injectable and dermal fillers
Temporary injectable fillers include two categories: collagen and hyaluronic acid fillers. Collagen is a naturally occurring connective tissue. Both collagen and hyaluronic acid injectable dermal fillers are created in a lab to mimic these natural substances.
Hyaluronic acid fillers (HA fillers) Hyaluronic acid is a naturally occurring substance between the skin cells that binds moisture and provides fullness. Unlike collagen fillers, hyaluronic acid fillers do not require an allergy test before they are injected and rarely cause an allergic reaction. These fillers are used to plump lips, fill facial lines, nasolabial fold, and other signs of aging.
HA fillers results can be reversed using hyaluronidase injections in the event results are undesirable. The 3 most popular hyaluronic acid fillers are:
Other HA fillers offered by doctors may include Prevelle, Teosyal and Macrolane.
Injecting or transferring your own fat
Fat injections involve performing a fat transfer to move fatty tissue from one body area to another. Fat may be removed from any body area with enough tissue to spare, and it is important to note that you can only use your own fat for fat injections.
Many doctors recommend fat injections over other injectable fillers because they carry a low risk of side effects and can offer permanent results. However, the body may reabsorb some or all of the injected fat, so results cannot be predicted and may not last. Read real patient stories about their fat injections and fat transfers.
Injecting or transferring your own Platelet Rich Plasma (PRP), PRP Skin Regeneration Therapy, a new technology for extraction of platelet-rich plasma containing autologous white blood cells that has a PRP enrichment rate of about 6- to 10-fold (about three to five times higher than that for conventional one) and contains white blood cells, which are not contained in conventional PRP. The therapy is found to have much greater efficiency in rejuvenating the skin, eliminating wrinkles, and reducing irregularities from acne marks compared with conventional therapy.
Indications: Expected effects in Cosmetic Medicine
It is effective particularly for creepy skin under the eyes (fine wrinkles) that are difficult to treat by conventional rejuvenation therapy. Inducing skin regeneration, the therapy is also effective in treating wrinkles, acne marks, sags, and wrinkles on the neck.
Semi-permanent and permanent injectable
Semi-permanent and permanent injectable fillers are used to correct deeper facial creases and restore volume in large areas. They injected deep within the soft tissue for more long-lasting and large volume correction.
- Radiesse (Radiance) • Sculptra (NewFill)
Radiesse is a white, paste-like suspension of calcium hydroxylapetite FDA approved to treat nasolabial folds. Radiesse is also frequently used off-label to add volume to the cheeks. Results from Radiesse injections typically last about 1-2 years, Sculptra is FDA approved for aesthetic use on facial wrinkles, although it was originally created to treat lipoatrophy in HIV patients. Sculptra is a suspension of microspheres composed of poly-L-lactic acid (PLLA), the same substance as some absorbable sutures, suspended in methylcellulose.
The PLLA microparticles injected during Sculptra treatment may last upto 2 years, but Sculptra may have a more permanent result, as it can promote new collagen production even after it has been absorbed by the body.
- Artefill (Artecoll)
- Silicone injections
Artefill is a gel filler consisting of millions of synthetic microspheres (polymethylmethacrylate or PMMA) suspended in purified bovine (cow) collagen. The company that produced Artefill filed bankruptcy in 2008.
Silikon 1000 and other types of silicone injections are not FDA approved for aesthetic use and may cause contour irregularity, dimpling, infection, migration, nodules, granulomas, inflammatory reaction, and deformity.
Aquamid is another permanent filler, not FDA approved for use in the U.S. Aquamid is a hydrogel consisting of water and cross-linked polyacrylamide gel (PAG). Aquamid injections may carry high risk of infection.
Injectable filler side effects
Common injectable filler side effects may include:
- An unsatisfactory outcome
Infection and necrosis are also potential side effects, although less common. Fillers may also migrate, or move to areas where their effects are not desired. Improper injection technique may cause temporary injectable fillers to be visible, palpable, and in some cases, to form small lumps that will dissipate with time.
Semi-permanent and permanent fillers may also carry a risk of inflammatory reaction, which causes the formation of granulomas, or lumps, that can be felt or seen beneath the skin. Injection of an anti-inflammatory may help to improve minor lumps or swelling, however, surgery is often needed to fully resolve permanent filler side effects.
The greatest risk occurs when injectable fillers are injected by a practitioner who is not properly qualified to perform cosmetic injections.
What about getting Collagen fillers?
Along with the rise in demand for hyaluronic acid, fillers has come a decline in collagen injections. Since collagen injections are typically made of collagen derived from cows (bovine) or pigs (porcine), an allergy test is required before collagen fillers may be injected. This inconvenience and relatively shorter lifespan reduced consumer demand for collagen. Brands you may still encounter include Evolence (now off the market), Cosmoderm, Cosmoplast, Zyderm, and Zyplast. Note that despite the name, collagen injections do not increase your rate of collagen generation.