HP 70 Ink Cartridges Gloss Enhancer are ideal for professional photographers and graphic designers who want to produce museum-quality prints of images and photographs, as well as proofs and art reproductions with lasting image stability. Perfectly express your ideas. No matter how often you print, you will always achieve the same consistent gloss—whether in bright or darker areas of the image. The HP Gloss Enhancer ensures this on both glossy and satin photo printing media.