Teosyal RHA 3 is a hyaluronic acid dermal filler designed to support the skin in every move while helping to preserve the vitality and softness of the face. Teosyal RHA 3 is designed specifically to smooth out deeper wrinkles. It can be used for filling deep wrinkles in areas such as the nasolabial folds and vertical lip lines. It is one of the best nasolabial folds injections and marionette lines treatment.