What is the difference between bleaching and dyeing your hair?

Colouring and bleaching your hair involves the use of a chemical process to change the appearance of your hair colour. Bleaching lightens your natural hair colour while colouring involves changing the colour of your hair.

Which is worse hair dye or bleach?

Permanent dye—usually a mix of hydrogen peroxide and ammonia—deposits color into your hair shaft. Bleaching is fancy salon lingo for stripping color out. If you’re choosing between the two, permanent dye tends to be the less-damaging choice.

Does dying your hair with bleach damage it?

Bleach works by going into the hair shaft and reacting with the stable pigment molecules, breaking them down into components that will wash right out of your hair and down the drain. But when it does that, it also breaks down the natural fatty acids on the hair shaft, weakening the strand.

Is bleach hair permanent?

Unlike other dyes, especially temporary or semi-permanent hair dyes that can be washed away over time, hair bleaching is a more permanent process. … Instead, the chemical strips away the natural colors of your hair, which are produced by the pigment called melanin.

How do you reverse bleach damage?

Removing or erasing the bleach stain

  1. Apply a good swig of alcohol to your cotton wool ball.
  2. Hold the damaged area and rub the stain, and the area around it, with the alcohol-soaked ball. The original colour of the garment will spread into the bleached area. …
  3. Rinse well in cold water.
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Does box dye have bleach in it?

As temporary colors don’t contain bleach, they can’t lighten your natural shade. Temporary dyes fade with shampooing and exposure to air. … However, permanent dyes can be more damaging to your hair. The chemicals used are stronger and the mixture usually has to be left on for a longer period of time.

What would happen if I put blonde hair dye on brown hair?

If you apply blonde dye to dark hair, you will never become blonde. But, you will aggravate your hair with the chemicals from the dye.

How can I dye my hair without damaging it?

How to dye your hair without damaging it

  1. Semi-permanent hair rinse. A colour hair rinse that isn’t permanent doesn’t penetrate the hair shaft, so is the perfect solution for anyone looking to dye their hair without causing breakage or damage. …
  2. Henna. …
  3. Indigo. …
  4. Chalks, crayons, powders and sticks. …
  5. Professional results.
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