45-60 mins MAX
Most likely, if you used dye, it stands on the package
A quick wipe with household bleach on a soft cloth should kill the mold and remove it. Do not leave the bleach on for very long as it will discolor the material.
3hours
long hair
Around 25 Years.
it depend on how blonde you want your hair juss leave the beach in till the desired blondee
Depends on the bleach, how much colour is on the hair etc. Probably around 40 minutes, you will probably need to tone the highlights and you'll DEFINITELY need to keep checking. For a caramel you should lift your hair to an orange-yellow colour, then tone.
A person never needs to have bleach in contact with their face or any part of the body.
Chlorine bleach can be a very dangerous and as such it should be treated with care. Chlorine bleach can damage the airways and can also cause damage to skin. As such one should avoid prolonged contact with the fumes of chlorine bleach and one should always wear thick rubber gloves, or other protective gloves, when using chlorine bleach.
It can cause irritation and chemical burn the skin. The same happens to your scalp if you leave it on to long.
It will not hurt as long as it is on the hair. You should not touch the scalp or your hands with it as it will burn and you should never use household bleach because your hair will dissolve in it.