What is the name of the cosmetic procedure that injects gel to reduce wrinkles?

The cosmetic procedure that injects gel to reduce wrinkles is a dermal-filler injection, commonly called dermal fillers.

Dermal fillers are injectable materials placed beneath or within the skin to restore lost volume, soften facial folds, smooth some wrinkles, and enhance features such as the lips, cheeks, or jawline. Many modern fillers use hyaluronic acid, a substance naturally found in mammalian skin and connective tissues. Other formulations may use calcium hydroxylapatite, poly-L-lactic acid, or other materials.

Fillers work by adding volume or supporting tissue rather than by stopping muscle movement. That is the key difference from Botox, a botulinum-toxin treatment that temporarily relaxes targeted muscles. “Hyaluronic acid” is therefore a common filler ingredient, not the general name of the procedure. Collagen injections are an older type of filler, while collagen stimulation can also occur with some newer products.

Most wrinkle fillers are temporary because the body gradually breaks them down. Results often last around six months, though duration varies with the product, injection depth, treatment area, and individual metabolism. Bruising, redness, swelling, and tenderness are common short-term effects.