REVOLAX SUB-Q with Lidocaine has the thickest properties within the REVOLAX line. With its advanced ability to mould, maintain structure and longevity, it is recommend for the treatment of deep to extremely severe wrinkles including nasolabial folds and facial (cheek, chin, or nose) contours. Designed for the treatment of deep to extremely severe wrinkles Treatment areas: Nasolabial folds and facial (cheek, chin, or nose) contours Pregnant or lactating women should not use this product. Inform your Physician of any previous permanent products or body enhancing products you have used. You should also make them aware of any allergies, immune diseases and infections you have. Similarly if you have hypersensitivity to hyaluronic acid.