- Choose Silver Gel when you want plush, plumped and pillowy skin. Silver Gel is packed with glow-inducing actives including the ZIIP Electric Complex, finely-crushed pearl to promote luminosity, and a sophisticated, low molecular weight hyaluronic acid from Japan. This formula is also incredibly calming, with both cucumber and aloe to soothe the skin. Silver Gel is silicone-free, oil-free, paraben-free, phthalate-free and fragrance-free. It is ideal for sensitive skin types, but a favorite among all ZIIP users. The Silver Gel bottle is recyclable.