use:

1, in that edge daub skin softener (softening skin, not really a smear on the face).
2, steel will push refers to the edge skin, gently push back, you can have the finger nails and clean the ^^
is slender 3, when in use, please note that the blade hurt the skin.

maintenance:

A, after each time after use, will push the steel skin wipe clean, and safekeeping.
B, if used together with others, please pay attention to disinfection, to avoid cross infection.
C, in use, please promptly cut the skin disinfection wound, and properly handle.