I have used barbasol original, the orange can.
It's called razor burn. It should go away in a few days, but I suggest that you refrain from shaving until it goes away. Next time, be gentler while shaving, and make sure to use shaving cream.
A shaving mirror is concave as it used used to magnify the image.
A Razor is used for shaving.
cut yourself while shaving
It depends what age you are,I would say. Female should start shaving at age 10 and a male at age 14 but it all depends.
found in shaving cream
Newer models can absolutely be used with shaving cream, and even in the shower. Make sure your electric razor is advertised as a "Wet/Dry" razor. A wet dry electric razor can be used with shaving cream. However it's often used simply with water or a special type of cream. Neutrogena makes shaving creams just for wet dry razors and Gilette recommends their own special shaving cream.
In what should I clean the blades of my electric shaver
Well if you want to remember the moment when it's your First time shaving or whatever.
dont shave, fool
It depends what the intended use is. An 'ordinary' mirror - is flat, while a shaving mirror is usually convex - making the image seem larger.