Renaldo. We conforming to Renaldo. Most of the information comes from an excellent "guide to safety razors" robert "the complete collector's manual" on american blades "phillip krumholz.
Gillette date codes according to Razoremporium. .
Gillette proglide in agreement with Razorsdirect. Gillette fusion shaving system razor shaver system advances thinner, thinner cutting force advanced resistance allows blades to pull through less traction.