Peptide Booster — Full Size 30ml A silky serum with six peptides, including copper peptides and Matrixyl® 3000 Glyx, for firmer-looking, well-cared-for skin. Manufacturer: Beyer & Söhne $79.00 Custom wishlist OK Add to wishlist Qty: Add to cart Email a friend A silky serum with six peptides, including copper peptides and Matrixyl® 3000 Glyx, for firmer-looking, well-cared-for skin.How to useApply a small amount to clean skin and gently press in. Follow with your usual moisturiser when needed.