What are the differences between double-layer blades and single-layer blades of Philips shavers?

In fact, the double-layer blade is two layers of blades stacked together, so that the root can be cleaned more cleanly, and one layer is very thin.

It is recommended that you choose a blade with a removable blade and go to a regular place to buy it. It is more authentic if you have seen and touched it in a physical store. Buying it online is cheap but it is easy to buy fakes. You can’t tell whether it’s true or false just from the blade head, its function is to gently lift the beard.

Nowadays, young people generally use double-layer blades. Moreover, there are many so-called waterproof and double-headed ones on the market. It depends on personal preference and understanding of this matter. Of course, the price also varies greatly. For reference.