But luckily, "Unlike HA fillers, CaHA fillers don’t attract water, so it's a predictable outcome that looks consistent day by day," Dr. Del Campo explains. In fact, she praises regenerative fillers.

Unlike HA fillers, Sculptra and Artefill work by stimulating collagen. While one can get swelling, as mentioned, from any filler type, these two fillers do not expand the tissues by retaining water.

According to the American Society of Plastic Surgeons, HA fillers were the most popular type of soft tissue fillers in 2023, with over 3.4 million procedures performed in the U.S.

Hyaluronidase had medical uses long before fillers, but healthcare professionals have used it to dissolve HA fillers for almost 20 years. It doesn’t just dissolve lip fillers, either.

But luckily, "Unlike HA fillers, CaHA fillers don’t attract water, so it's a predictable outcome that looks consistent day by day," Dr. Del Campo explains. In fact, she praises regenerative fillers.