1. ALWAYS work with a licensed health care provider who uses properly labeled, sealed vials for treatments. You also can ask to confirm that you are receiving an FDA-approved filler. And never get injectable fillers from unlicensed providers or in non-medical settings like hotels or private homes.
2. ALWAYS request and read the patient labeling information onFDA-approved injectable wrinkle fillersfrom your licensed health care provider.
3. ALWAYS know the type of product to be injected and all of its possible side effects. Know where each product used is to be injected. Talk to your licensed health care provider if you have any questions.
4. NEVER buy dermal fillers on the Internet. They may be fake, contaminated, and/or harmful.
5. NEVER get any type of filler or liquid silicone injected for body contouring. This means you should never get breast fillers, "butt" fillers, or fillers for spaces between your muscles. These products, which include certain types of injectable silicone, can be dangerous and can cause serious injury and even death.

Read more at: https://www.fda.gov/ForConsumers/ConsumerUpdates/ucm049349.htm