It makes the hair stay in place so you can more easily see which parts have and have not been cut, and keeps the hair in clumps that are easier to clean up.
what factors do you need to consider when cutting hair
damp
No you always apply to dry hair. Never wet your hair before coloring.
Because your hair is longer when its wet so when they cut it is extra short
Because its being weighed down. When its wet it has more weight, so it pulls on your scalp. This pulls the hair and the roots, which makes it longer. Wet hair is at its most vulnerable state when wet and can stretch up to 30% which is why it is best to detangle gently and to take into consideration when cutting wet hair.
what are the contraindications when cutting hair
no you cant do that
Nothing. They wash your hair immediately before a perm anyway.
it doesnt HAVE to be wet or dry but dry is better for your hair. if you iron it wet, your hair can become heat damaged. ____________ Hair must be completely dry before using a heated curling iron. If not, the hair will scorch.
You can wet the hair first before rolling it into perm rods or you can simply squirt each section about to be rolled with a water bottle in order to dampen it. The hair definitely needs to be dampened to effectively roll it onto the rods.
If it is a colour that you bought in a box in the store then you should read the instructions as to whether you wet your hair or not because some of them do call for it. If you have bought in the a hairdressers supplier in a tube and have bought the peroxide too then you don't wet the hair.
Colds are viral and, therefore, are not caused by going out with wet hair or getting your feet wet & cold.