Is dying your hair bad for thinning hair? Short answer: Yes!

yellow hair after bleaching

  • Yes, dying is bad for thinning hair because it could worsen the problem.
  • It’s even worse if you plan to dye your hair on your own with box dyes. Their quality is lower than hair dyes used in professional salons.
  • If your hair is thinning, I recommend you visit a dermatologist who will help you determine the possible causes of thinning. Eventually, propose a treatment.
  • If after everything I’ll tell you here, you still want to dye your hair, I’ll give you some essential tips to do it without ruining your hair.


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If your hair is thinning, you should ask a health professional before dyeing it.

Visit a dermatologist to find out the origin of this thinning. It may be due to a specific and temporary situation or something serious.


 Whatever it is, my advice is to wait for the diagnosis of the dermatologist before coloring your hair. 

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Why should you wait to ask a doctor before coloring your hair if it is thinning?

Here are a few reasons:


REASON 1: Stress

fine hair due to stress

That silent enemy that messes up many things in the body can become the source of this problem. If this is the reason, don’t despair.

Think back: three months ago, did you go through a very stressful situation, a big upset, a big scare, a loss, or perhaps an immense joy that was shocking?


If your answer is yes, you can rest assured that such a mobilizing situation has generated a momentary blockage in the growth phase of your hair. It may result in the thinning of the hair fiber.


 If you add hair dye on top of this thinning, you will only worsen the problem. 

Then, wait. If it’s something simple, it won’t be too long before your following coloring process.


REASON 2: Using low-quality hair dyes

at the supermarket

Box or professional hair dyes come in a wide range of qualities according to their brand.

Well-known brands have better quality. Alternatively, some products look like children’s paint.


 Obviously, the lower the quality, the higher the risk of damaging your fine hair fiber. 

My advice, should you find it impossible to wait for your doctor’s appointment, is to go for a toner. It’s also known as tone-on-tone, and it’s much less aggressive than a traditional hair dye.


This will result in great protection and will solve your color problem for the time being. When you use a developer instead of peroxide, the hair fiber isn’t exposed to the alkaline field formed by hydrogen peroxide. So, there’ll be much less damage.


REASON 3: You’ve been bleaching your hair

dye right after bleaching

If your coloring job needs bleaching, you should do it even less at this time. If your hair is thinning, bleaching will cause further thinning.


YOU MAY ALSO BE INTERESTED IN: Does bleaching your hair make it thinner? Does it make it grow slower?


In this case, I suggest that you first analyze the possibility of changing your method.  If your hair is thinning, you shouldn’t continue with such an aggressive method. 

Perhaps, you can look for a less aggressive but equally flattering alternative, such as two-toned hair. It can add depth and shine without further bleaching.

Remember that bleaching is one of the most aggressive jobs for your hair health.


REASON 4: Organic Disorder

In this case, coloring your hair wouldn’t help at all. My advice is to discuss it first with your doctor and evaluate some hydration or nutrition treatments to help with the treatment.

In this way, attack the problem in all possible places and try to strengthen your hair. Then, dye it again.


Not all causes of thinning hair have a medical origin

If you’ve been bleaching your hair for years, it may have started a thinning process.

In this case, there are simpler solutions. In any case, a medical opinion will be essential to rule out any other situation.


Have you checked with your doctor if it’s an organic problem?

hair loss and thinning

Having ruled out the clinical part, let’s look at why you shouldn’t color your hair if it’s thinning. Alternatively, if you do, let’s check the precautions you should take.


The weakness caused by bleaching won’t be solved with a hair dye. So, continuing to dye your hair will be a temporary solution, but you’ll have to look for more viable alternatives.

Obviously, you’ll need to tone down the color to neutralize those unwanted orange or yellows shades that appear after bleached hair starts fading out.


I recommend the use of water-based blue or violet shampoos. I even recommend the violet one especially. Remember that abusing these products is harmful to the hair fiber because it may dry out.


What precautions to take when coloring thinning hair

blonde hair thinned by continuous bleaching

If you still decide to blow-dry and flat iron your hair, use heat protectants to dampen the intense heat on your hair.


  • Remember that after any coloring job, it’s essential to seal the cuticle.

In the case of thinning hair, I recommend using density thickening shampoos and conditioners to recover your hair’s volume.


  • You need to provide as much nourishment and hydration as possible: masks, ampoules (especially argan or flax), intensive treatments, etc.


  • In the case of thinning hair, I advise against treatments that involve intense heat such as keratin, hair botox and hair lifting. Although they are very intense nourishments, they involve high exposure to the heat of the irons. Fine hair wouldn’t be able to resist it.


  • If you still see that your hair is thinning, consider the option of trimming a few centimeters off the ends. It’ll help recover the hair. Also, when combing, the ends won’t tangle, and it’ll help keep your hair healthy.


  • Once the cut is finished, and every time you comb your hair, you can seal your ends with some oil or silicone to keep them hydrated and closed. It’ll also help to detangle, seal the ends and bring shine.


You should ask your doctor for problems with your hair

As I said, hair is not a minor issue. Its thinning can be a simple matter or the origin of a serious problem.

Usually, stylists detect this type of problem. We have to inform our clients of the changes we can spot to prevent and suggest a doctor’s appointment.

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