If you're going to shave your cat at home, try investing on a portable vacuum that can be attached to the razor. This equipment will pull up the fur, making sure it doesn't get everywhere in your house.
If your hair is severely damaged, it will not be possible to get a color that requires pre-lightening, such as pink, without risking severe damage and breakage.
Try sugaring, where you heat sugar, lemon juice, and water, and use it like a wax to pull the hair out by the roots. Repeat this treatment every 2-3 weeks.
It's perfectly normal to start getting armpit hair at 11. If you are embarrassed, your parents are the best ones to tell; they will not judge you and will actually...