Sustainability. Unlike other DE blades that are full of plastic and multiple blades, double edge blades are solid steel which makes them recyclable!
Eliminate Irritation. Has your face ever felt like scorched earth after a shave? Double edge razors are angled at 30º and when operated correctly your skin will not become irritated or experience razor bumps. Why? Well 3-5 blade cartridges will function like this: 1st blade pulls the hair, 2nd blade hacks, pull, hack, pull, hack. Have you ever curled a ribbing using scissors? Essentially that is what you are doing to your face and the cause of razor bumps.
Cost-effective. Steel, stamp, box, done. Manufacturing double edge (DE) blades are so much easier than multi razor cartridges. Allowing us to keep costs down and still deliver a premium blade with small, uniform grain and a post-process that includes Teflon, nitrogen, chrome and platinum coatings.