Hairstyles, Haircuts & Hair Treatments

Q: Can I cut my hair in 2 lengths, like number 2 on the side and number 3 on the top

Q: Can a woman cut her hair? If yes, What is the shortest? 

If no, what is the longest she can allow it to grow beyond which she should cut? 

What is the ideal/best length for her to keep? Can it be cut layered?

Q: I would like to find out how often can a woman's hair be trimmed and to what length should it be trimmed?

Q: Is it permissible for men with a beard and long hair to tie a pony tail for keeping their hair neat? Or will this be considered tashabbuh with women?

Q: Is cutting a fringe in the front of the head haraam for boys?

Q: Is it permissible to shave a toddlers hair (e.g. 1 year old) as some say the hair will grow thicker thereafter?

Q: I've heard people saying that fades are permitted in Islam, and although a persons hair is two lengths, that haircut and style will be permissible. Is this true?

Q: I've lost 90% of my hair. Can I use hair extensions in this case? 

Q: What is the maximum hair length a woman can keep? Can a woman keep hair length till her knees?

Q: When growing long hair, is it correct to trim the hair that exceeds the hairline, such as:

1. The hair around the ears, which covers the ears when the hair is combed downwards and curls up when the hair is combed backwards, is it correct to trim this hair by using a scissors or a machine around the ear?

2. The hair which exceeds the hairline at the back of the head, is it correct to trim this hair to the level of the hairline at the back?

3. The hair that exceeds the hairline on the sides of the back of the head, is it correct to pull these hairs to one side with a comb, and trim off whatever exceeds the hairline?

4. The hair of the sideburns from the top of the ear till the middle of the ear, if the sideburns become too long and look untidy?