Natura Bisse Essential Shock Intense Complex ($195) Firm up slack, lazy skin with this transformative serum that glides on like silk velvet. Loaded with antioxidants vitamin C and E, amino acids and isoflavones, pat into clean, dry skin under foundation or BB cream for a lifting effect. Check out the rest of the Essential Shock range too — Intense Cream, Intense Gel Cream, Intense Mask, and Intense Lip & Eye Cream — for maximum effect.