This treatment is another revolutionary Cold Plasma product from Perricone MD shown to help reduce the appearance of a “double chin” and sagging skin under the jaw line. The first of its kind, Sub-D offers a non-invasive treatment specifically targeted for the delicate area of the neck and chin to help address the loss of elasticity and improve the appearance of wrinkles and redundant skin on the neck. The result is a noticeably firmer, chiseled appearance of the chin, jaw line and neck. Cold Plasma Sub-D is free of paraben, sulfates, phthalates, synthetic dyes and synthetic dyes.