Dermal fillers are gel-like substances injected beneath the skin, and professionals use them for various aesthetic applications. While many types of fillers exist, they function in different ways to achieve specific outcomes. Understanding these differences helps you have an informed discussion with your provider about your personal treatment plan. Here is more information about different types of fillers:
Hyaluronic Acid Injections
Hyaluronic acid (HA) is a substance your body naturally produces. HA fillers use a synthetic version of this substance in a gel form. They work by drawing water to the injection site, which adds volume to the area. Since their effects are temporary, some people start with HA fillers.
These fillers are typically available in different thicknesses, and a provider selects a specific formulation based on the desired outcome. In some cases, a thicker gel might be used for cheek augmentation, while a thinner one might be applied to fine lines. The results of HA injections are visible shortly after the procedure.
Your body may gradually absorb the hyaluronic acid over several months. The duration of the results depends on the specific product used and your body’s metabolism. Some filler types last shorter periods, and others may last up to 24 months. A follow-up treatment is an option if you wish to maintain the effect.
Calcium Hydroxylapatite Injections
Calcium hydroxylapatite (CaHA) is another naturally occurring substance, found mainly in bones. When used as a filler, the calcium particles are suspended in a smooth gel. CaHA fillers aim to add immediate volume to the treated area upon injection.
Beyond providing initial volume, CaHA also stimulates your body’s natural collagen production. This process may help build up the skin’s structure over time. The body absorbs the gel itself after a few months, but the new collagen remains. Because it stimulates collagen, the results from CaHA tend to last longer than many HA fillers. These injections are used for deeper lines and wrinkles.
Poly-L-Lactic Acid Injections
Poly-L-lactic acid (PLLA) is a biocompatible, biodegradable synthetic substance. It works differently from other fillers because it does not provide immediate volume. Since PLLA is a collagen stimulator, it works deep within the skin to help your body rebuild its own collagen structure.
PLLA injections are administered over a series of appointments, typically spaced a few months apart. You will not see immediate results after the first treatment. The effects appear gradually over several months as your body produces more collagen. This subtle onset appeals to some individuals. Standard treatment areas include:
- Smile lines
- Marionette lines
- Chin wrinkles
Combined Formulations
Some modern filler brands use combined formulations to offer multiple benefits. For some people, a filler might contain both hyaluronic acid for immediate volume and a collagen-stimulating component. This approach aims to provide both a short-term filling effect and a longer-term improvement in skin structure. Your provider can explain if such a product is suitable for your goals. These formulations are designed to address multiple aspects of skin aging simultaneously.
Schedule Treatment for Fillers
Each type of filler has a distinct mechanism and purpose. Understanding these options is the first step toward a well-informed conversation with a qualified provider. They can explain the process and what to expect from the treatment. Schedule a consultation with a medical spa to discuss a personalized treatment plan.
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