Is it Safe to Use Hair Dye During Pregnancy?

Sometimes, you just want to treat yourself to a new hairstyle, especially when you're pregnant.

Your ankles may be swollen and your face puffy. You're constantly tired and the food you loved pre-pregnancy now makes you want to hurl.

All you want is to feel yourself again by having a self-care session at the salon.

But, when you're pregnant, so many things that were once safe to do aren't anymore, (goodbye, camembert cheese) and hair dye is no exception.

What Hair Dyes Are Safe to Use During Pregnancy?

Good news: all hair dyes are *technically* safe to use during pregnancy!

That's because even though the chemicals in hair dyes aren't exactly what you'd call safe if used in large quantities, there's such a small amount of them in hair dye they pose little to no risk to you or your pregnancy. Phew.

Just keep in mind that, with whatever method you choose to dye your hair, your scalp will always absorb a tiny fraction of what you put onto it.

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When Can I Dye My Hair When Pregnant?

To be on the cautious side, it's best to wait until you're over 13 weeks pregnant and into your 2nd trimester before dyeing your hair.

This is because the 1st trimester is such a pivotal time in pregnancy, where all your baby's organs etc are forming. It's better not to take the risk, even if the risk is low.

Also, keep in mind that pregnancy may change the way your hair reacts to your hair dye.

Crazy, right?!

It's due to all the new hormones surging through your body. Many women have found that their hair reacts differently to hair dyes, even ones they've used previously. So keep this in mind!

And, as always, if at any time you are still concerned about dyeing your hair whilst pregnant, speak to your midwife or doctor first.

What Hair Dyes Should You Avoid During Pregnancy?

If you dyed your hair regularly before you became pregnant, you're probably already aware of the different types of hair dyes that are commonly used.

Permanent hair dyes contain ammonia and peroxide to chemically perforate and change the actual colour of the hair strands.

Semi-permanent hair dyes aren't so severe. Instead, they deposit colour particles that stick to the surface of your hair follicles.

Temporary hair dye, on the other hand, is the most gentle of the dyes. Its colour will only last a few days and it acts by coating the hair strands with colour particles.

When pregnant, it's best to avoid permanent hair dye and opt for a semi-permanent or temporary treatment instead.

You could even experiment with natural dyes like henna if you're feeling adventurous! But remember to patch test and check for allergic reactions first before using anything new, even if it's natural.

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Is it Okay to Use Box Dye When Pregnant?

It's best to avoid using box dye at home when pregnant.

This is because you'd be handling the dye yourself in an environment most likely lacking the proper ventilation and equipment. Plus, you'd have longer contact with the chemicals.

It's best to have your dye applied by a professional that's had experience dyeing the hair of pregnant women before.

How Often Can You Dye Your Hair When Pregnant?

Depending on if you opt for permanent or semi-permanent hair dye, you'll probably only need to dye your hair 3 to 4 times during your entire pregnancy. This minimises the risks to your baby.

Can I Bleach My Hair When Pregnant?

Yes! While bleach isn't considered any more dangerous than using hair dyes during pregnancy, it's still best to treat it with caution and use it after you've passed the 13-week mark of your pregnancy.

Also, make sure there is no contact with your scalp. Due to hormonal changes, your skin is even more tender and delicate during pregnancy, and bleach tends to have a drying effect that could lead to the bleach entering your bloodstream and therefore, your baby's.

5 Tips for Dyeing Your Hair Safely When Pregnant

1. Test the Hair Dye First

Even if it's a dye you've used before, always patch test beforehand. This is because your hair may react differently to it now you're pregnant. Check for any allergic reactions too, such as itching or redness when applied to the skin.

2. If Applying Yourself, Wear Gloves

If you're applying the dye yourself, try to minimise the amount of direct skin-to-skin contact you have with it by wearing gloves.

3. Always Apply in a Well-Ventilated Room

If you've dyed your hair yourself before, you know just how smelly it can be! Make sure you apply it in a well-ventilated space, with windows and doors open, to lessen the chance of you inhaling the fumes. If you're having the dye applied at the hairdresser, ask to be seated near an open window if possible.

4. Opt for Highlights Instead

The trouble with dyeing your hair is when the chemicals make contact with your scalp - they can be absorbed into your bloodstream. That's why opting for highlights when you're pregnant is the best option for a colour refresh as the dye only sits on the hair follicles and not your scalp.

5. Use Semi-Permanent Colour

However, if you do want a whole hair transformation, then the less penetrating and harsh option would be to use a semi-permanent colour.

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