Answer:
1.it depends on what type of cut you take if take a whole bald shave with blade you might get hurt or just simply cutting a hair don't hurt
2.It depends on your care of your hair if you shampoo it or comb it will be perfect or it's normal to shed between 50 and 100 hairs a day.
3.it makes it shiny when we shampoo it or keep our hair wet it shines and reflects the light.
hope it helps you
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