Advantages and PeraGlow disadvantages Fillers for the face differ in composition, method of application and duration of the desired effect. As already mentioned, there are injections, intradermal and subcutaneous - gels, and there are creams for external use. For injections, a thin needle is always used, and it usually takes several injections in problem areas; Sometimes the pain is quite noticeable. To less damage the skin, the correction of the zones on the cheekbones and nasolabial folds is often carried out from inside the oral cavity. Fillers-creams are used as usual .