COLD PLASMA PLUS SUB D NECK DUO. Benefits: This multi-tasking powerhouse helps improve the appearance and feel of skin by sculpting, firming and tightening, while contouring the look of the jawline and neck areas. Targets and improves the appearance of lines, wrinkles, uneven texture, sagging and crepiness, while smoothing skin and improving the appearance of skin's elasticity. Key Ingredients: DMAE: Intensive Firming. PEPTIDES: Fights Visible Collagen Depletion. ENCAPSULATED CAFFEINE: Skin Firming & Tightening. Research Results: 97% felt skin around the neck was hydrated**. 87% felt smoother skin around the chin and jawline**. 86% saw an improvement in skin elasticity on the neck**. 84% showed improvement in skin elasticity*. *In a clinical study of 26 women after 8 weeks.. **In a consumer study of 106 women after 28 days..