Should you do a bleach bath on wet or dry hair? On damp hair!

woman holds a towel and does not know whether to dry her hair or not

  • You do a bleach bath on damp hair after you remove the excess water with a towel.
  • Ideally, wash your hair with shampoo two days before doing a bleach bath. Then on the day you do the bleach bath, simply wet your hair.
  • You shouldn’t apply the bleach bath while you’re in the shower, because the bleach cannot drip or run onto your skin. And it will also be more difficult for you to control the exposure time if you’re in the shower.
  • Below, I’ll tell you the secrets of doing a bleach bath so you don’t damage your hair.


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Now you know   you should do a bleach bath on damp hair, i.e. neither completely dry nor soaking wet. 


And this brings me to the next question.

You shouldn’t shampoo your hair before doing a bleach bath.

 The best thing to do is wash your hair two days before doing your bleach bath. Then the day you’re going to do it, wet your hair using only water. 



This way, the natural oil secreted by your scalp will protect your hair from the action of the bleach bath.

Because although the bleach bath is less aggressive to the hair than bleaching, you still prepare the mixture using peroxide and bleaching powder, which take away moisture and nutrients from the hair.


In addition to doing the bleaching bath in your damp hair, you should carefully select the ingredients you’ll use to prepare it. As for the bleach powder, you don’t really have many options.

plastic container with bleaching bath

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But keep these tips in mind when it comes to choosing the developer and shampoo.

  •  The shampoo should contain moisturizing agents . The more the better. Look on the shampoo label for ingredients such as keratin, elastin, silk, oils, shea butter, aloe vera, or avocado. Also, the shampoo should be white or transparent. Because if the shampoo is colored, it can affect the results of the bleach bath.
  •  The developer should also be creamy . You’ll find some cream developers with aloe vera or keratin on the market. Always use a 20-volume developer.


How to apply a bleach bath on damp hair

wet hair before bleaching bath

  •  Wet your hair and remove the excess water with a towel. 
  • Comb your hair and separate it into sections to make it easier to distribute the bleach bath.
  • Start applying the bleach bath on your ends and lengths, and work your way up to the roots.
  • Once you’ve covered all of your hair, put it up and wrap it in a shower cap to keep the heat of the chemical reaction in.
  • Leave the bleach bath on for up to  45 minutes , constantly checking your hair. The moment you reach the color you want, rinse your hair out with warm water, massaging it gently. The shampoo will start to lather and this will help remove the bleach powder and color residue.
  • Wash your hair again with a moisturizing shampoo and rinse it again.
  •  If you want to apply a dye or toner after the bleach bath , don’t use conditioner but do blow dry your hair. You can apply the dye or toner once your hair is completely dry.
  • Otherwise, apply conditioner, rinse it out and let your hair air dry.



Wash your hair with shampoo two days before doing a bleach bath. And when you’re going to do it, wet your hair and remove the excess water with a towel. This way, you’ll prevent the bleach bath from irritating your scalp.

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