Restylane Lip Injections Caused Marionette Lines - Why?

You must have read that BDDE (1,4-butanediol diglycidyl ether) may cause cancer in mice. In fact BDDE MAY have been associated with tumor formation in mice following topical application in ONE study. allow me to quote from the FDA paper Cancer Risk Assessment P020023 quoted...

Hi @1987anon. Restylane and Belotero work great. I recommend seeking treatments from expert injectors who have the skill and experience to precisely inject fillers into treatment areas and avoid risks and complications. Best of luck, Dr. Nima!

You can place make-up over the areas of injection immediately after the treatment.  This is absolutely no problem.

The amount of Restylane has to be tailored to each patient depending on what they need. Even though it’s sold by the syringe, you just put in what each individual needs to reach their desired correction.

I have been using Restylane extensively to the nasal dorsum (back of nose) itself to treat concavity or mild post-rhinoplasty lack of volume.  I have also used it very often in the nasion area, i.e. the concave junction between the nose and the forehead.  I use it there for patients...

There is no known cause and effect for Restylane injections and swollen joints. This might entirely be caused by a coincidental development of an arthritic, systemic, or infectious disease and you should see your general doctor. Was the REstylane a pure product, or was it a facsimile that was...