Fotona4D® is a series of synergistic, non-invasive laser treatments of both the exterior facial and interior oral cavity, enabling full-thickness contraction of collagen for persistent tightening and volumization without injectables. With two laser wavelengths (Er:YAG and Nd:YAG) and 4 treatment modes, anti-aging is comprehensively approached from 4 different levels, working on deeper, medial and superficial connective structures of the skin, as well as targeting imperfections