Fillers should not to be used in individuals with a known hypersensitivity to hyaluronic acid or during pregnancy or by breast feeding mothers.
Fillers cannot be injected if you have an inflamed active skin infection, active cold sore or severe acne.
If you have previously suffered from facial cold sores, there is a risk that the needle punctures could contribute to another eruption of cold sores.
Valtrex / Acyclovir before and after each time you are injected. If you have an active cold sore – you should not be injected.