Collagen stimulator injections are injectable treatments that encourage your own body to produce more collagen in the skin. Instead of simply adding volume like traditional dermal fillers, they work gradually over time to thicken and firm the skin, improve structure and soften lines, giving a more natural-looking, long-lasting result.

Collagen stimulator injections contain biocompatible particles that are placed into the deeper layers of the skin. These particles act as a scaffold that triggers a controlled healing response, prompting your body to lay down new collagen around them. As this new collagen forms over the following weeks and months, the treated area becomes firmer, smoother and better supported, while the particles themselves are slowly broken down and absorbed by the body.

Collagen stimulator injections are typically used to treat areas of volume loss, sagging or crepey skin. Common treatment areas include the cheeks, jawline, temples, lower face, neck and sometimes the décolletage or backs of the hands. They can help to restore facial contours, soften deeper folds and improve overall skin quality by boosting thickness and elasticity.

Results from collagen stimulator injections develop gradually, usually becoming noticeable after a few weeks and continuing to improve over several months as new collagen is formed. Depending on the product used, the treatment plan and your individual response, results can often last 18–24 months or longer. Many people choose a course of sessions to build collagen, followed by occasional maintenance treatments to keep the effect.

Collagen stimulator injections have a good safety record when performed by an experienced, medically qualified practitioner using licensed products. As with any injectable treatment, there are potential risks, including bruising, swelling, tenderness, small lumps or asymmetry, and more rarely infection or other complications. A thorough consultation, honest discussion of your medical history and realistic expectations are essential to decide if this treatment is appropriate for you.