Teosyal RHA4 is a hyaluronic acid injectable that is indicated for cheek and upper cheek augmentation and redefining the contours of the face, correcting tear troughs and minor ptosis, and filling deep wrinkles in thick skin on the face. Teosyal RHA4 is biodegradable and contains cross linked HA and is also FDA approved. Lidocaine in the product helps with pain relief associated with the injection.
