The first is an alphabetic letter which corresponds to the year of manufacture as indicated in the table that follows. But, the Gillette date code is both an alphabetic letter and it is a number too. The numbers mean the three month quarter of manufacture. 1 is the time from of January to March.

What do numbers on razor blade mean?

The higher the number, the closer the shave. It changes the angle and depth of the blade. the lower the number i.e. 1, the safer the shave. the higher the number i.e. 7, the closer the shave.

How do I identify my Gillette razor?

They are found in the top left and right corners on the underside of razor guards, both 3 piece and 1 piece models. The letter represents the year, found on the chart below, and the number 1-4 correspond with the quarter of the year.

Are 1 blade razors better?

Single blade razors are more efficient because it cuts facial hair closely without creating more blade friction than needed, which means fewer chances of getting a skin rash after getting a shave. Single blade razors, by design, are also more sustainable.

What do the numbers mean on a double edge razor?

Those numbers are there primarily for the manufacturer and really have no bearing on the shave itself. There have been some legends saying that if you keep track of the numbers you can flip the blade thus getting more shave from the blade. So enjoy your blades and have a great shave! Smooth Shaving!

Can you use both sides of a razor blade?

You can use both the left and right side of the blade with most safety razor handles.