eCosmetics is an authorized retailer of Rule Cosmeceuticals.Rule Signature Serum features a potent blend of luxury skincare ingredients to rejuvenate and revitalize skin. Infused with skin boosting peptides and Vitamin C, this serum works to stimulate collagen production, diminish fine lines, and create a radiant glow. The herbal addition of anti-inflammatory Wolf’s Bane soothes skin while Hyaluronic Acid hydrates; combined, the result is calm and revitalized skin. Rule 5 helps to eliminate skin dullness by fortifying skin against environmental stressors to reveal bright and luminous skin that radiates.