Hair dye during pregnancy: What’s safe and what’s not

When you’re expecting, it feels like everything you do suddenly comes with a list of dos and don’ts, including something as simple (and let’s be honest, mood-boosting) as changing your hair color. You might find yourself wondering, Is it still safe to book that salon appointment? Should I hold off on touching up my roots until after the baby arrives?

First of all, take a deep breath. You’re not alone in asking these questions, and the good news is that pregnancy doesn’t have to mean saying goodbye to fresh hair days. In fact, feeling like yourself whether that’s through a new hairstyle, a little self-care, or simply sticking to your usual routine can be a powerful source of comfort during such a big life transition.

If you’re wondering whether you can safely dye your hair during pregnancy, you’re in the right place. Let’s walk through the facts, bust a few myths, and share some comforting, practical tips so you can make the decision that feels best for you. 

This blog includes expert insights from Dr. Ross Kopelman, a hair transplant surgeon and CEO of DermOnDemand, who brings evidence-based guidance to help you navigate hair care during pregnancy with confidence.

Can I dye my hair while pregnant?

Good news, you can still enjoy a hair refresh during pregnancy!

Experts generally agree that using hair dye while pregnant is considered safe, especially when a few gentle precautions are taken.

“It’s considered relatively safe to dye your hair during pregnancy, especially when taking a few smart precautions. I typically advise patients to wait until after the first trimester if they can. That’s because the first 12 weeks are a critical time for fetal development, and even though there’s no strong evidence showing that hair dye chemicals pose a significant risk, it’s always better to minimize any potential exposure during that sensitive window.”

Dr. Ross Kopelman
–Hair Transplant Surgeon at Kopelman Hair Restoration

Research shows that only a very small amount of dye is absorbed through the skin, and it’s unlikely to reach your baby in any significant way. That said, many parents-to-be choose to wait until after the first trimester (around 12 weeks) before dyeing their hair, simply as an extra layer of care during the early stages of pregnancy. It’s not because hair dye has been proven harmful, but because it’s nice to give yourself a little extra cushion of reassurance during those first months of change.

Safer ways to dye your hair during pregnancy

If you’re craving a little refresh while growing a tiny human (we see you!), the good news is, you don’t have to give up your hair routine completely. There are plenty of ways to color your hair that feel both safe and soothing.

“Techniques like highlights, balayage, or ombré are generally considered safer than full root-to-tip dye. That’s because the dye is applied to the hair shaft and not directly on the scalp, which reduces the chance of chemical absorption through the skin.”

Dr. Ross Kopelman
–Hair Transplant Surgeon at Kopelman Hair Restoration

Choosing techniques and products that are a bit gentler and keep most of the dye away from your scalp. Here are some mom-to-be–friendly options to explore:

• Highlights, lowlights, or balayage: These let you add dimension and glow without putting dye directly on your scalp.
  
• Ammonia-free or plant-based dyes: These tend to be milder and feel like a more natural way to treat yourself.
  
• Semi-permanent or temporary colors: Great for a low-commitment switch-up with fewer strong ingredients.
  
• Pure henna: If you’re going the natural route, 100% pure henna (no additives!) can be a fun, earthy option.
  
• Coloring in a well-ventilated space: Whether at home or in the salon, fresh air makes a big difference.

Dr. Kopelman further says that if a patient wants to refresh their look while pregnant, these techniques offer a great way to do it while keeping exposure minimal.

Myth-busting: Common hair dye pregnancy myths

Let’s clear up some rumors you may have heard:

Myth 1: Hair dye chemicals are dangerous for your baby

Truth: The absorption is so minimal that it’s unlikely to cause harm. Taking a few easy precautions (we’ll get to those!) can make it even safer.

Myth 2: Natural dyes are completely safe

Truth: “Natural” doesn’t always mean “risk-free.” Henna, for example, can be safe, but always double-check the ingredients—some products labeled as “natural” still contain chemicals that aren’t recommended during pregnancy.

Myth 3: You can’t dye your hair at all

Truth: You absolutely can! It’s just about making mindful choices that feel right for you.

Hair dye ingredients to avoid during pregnancy

With a few simple tweaks and a little ingredient know-how, you can still enjoy your color routine with peace of mind. 

“There are a few ingredients I suggest looking out for. The biggest ones are ammonia, PPD (paraphenylenediamine), and resorcinol. These are common in permanent hair dyes and can be irritating to the scalp, and in high doses, some have raised safety concerns in animal studies.”

Dr. Ross Kopelman
–Hair Transplant Surgeon at Kopelman Hair Restoration

Here are five ingredients to avoid:

• Ammonia – Can release strong, irritating fumes
• Parabens – Potential hormone disruptors
• Resorcinol – May interfere with hormone function
• PPD – Linked to allergic reactions
• Phthalates – Found in fragrances; best avoided

Dr. Kopelman further suggests, “While there’s no definitive evidence that hair dye chemicals cause harm during pregnancy when used as directed, I still recommend erring on the side of caution, especially during the first trimester when fetal development is most sensitive.”

Tips for dyeing your hair safely during pregnancy

If you’re planning to freshen up your look, here are some tips to keep things super safe and comfortable:

1. Wait until after your first trimester

Most experts recommend holding off until you’re in the second trimester when your baby’s early development is more complete.

2. Opt for highlights instead of a full dye

Highlights (or balayage) are a great option because the dye doesn’t usually touch your scalp, minimizing any chemical absorption even further.

3. Choose gentle, low-chemical products

Look for ammonia-free, semi-permanent, or vegetable-based dyes. They tend to have fewer harsh chemicals.

4. Ventilation is key

Make sure you’re in a well-ventilated space while dyeing your hair to avoid breathing in strong fumes. Open a window or turn on a fan if you’re at home!

5. Do a patch test

Pregnancy can change your skin’s sensitivity. Always do a patch test first, even if you’ve used the product before without any problems.

6. Consider professional help

A trusted hairstylist can guide you to pregnancy-safe options and techniques—and who doesn’t love a little extra pampering right now?

Pregnancy-safe alternatives to traditional hair dye

If you’re feeling extra cautious or just want to go ultra-natural, there are still plenty of ways to switch up your look:

1. Vegetable dyes like pure henna (avoid “black henna” as it often contains harmful additives).
2. Color-depositing conditioners that boost shine and enhance your current shade without chemicals.
3. Temporary sprays or chalks for a fun pop of color that washes out easily.

Sometimes, even a fresh haircut or a few face-framing highlights can feel like a full glow-up without going for a full dye.

Can hair dye cause hair loss?

Here’s some reassuring news: hair dye itself usually doesn’t cause hair loss.

However, chemical treatments like dyeing or bleaching can sometimes make hair a little more fragile, especially during pregnancy when hormones can change your hair’s texture. This might lead to some breakage, which can look like hair loss, but it’s typically just weaker strands, not true loss from the root.

“Pregnancy can definitely change how hair dye behaves. Hormonal fluctuations during pregnancy can alter your scalp’s oil production, your hair’s texture, and even the porosity of the hair shaft itself. I’ve seen patients whose hair takes color differently—either grabbing dye more intensely or, conversely, resisting color altogether. Sometimes, the color may not last as long or may fade more quickly because of these shifts.”

Dr. Ross Kopelman
–Hair Transplant Surgeon at Kopelman Hair Restoration

Choosing gentle, ammonia-free dyes and treating your hair with extra care can help keep it strong and healthy. And remember, if you notice more shedding than usual, it’s often just a normal part of pregnancy or postpartum changes—and it usually settles down with time.

Conclusion

Pregnancy is a season full of change, but that doesn’t mean you have to put your personal style or the parts of yourself that make you feel like you, on hold. Dyeing your hair, getting a fresh trim, or just treating yourself to a little extra care isn’t about vanity. It’s about honoring yourself through every phase of this incredible journey.

If coloring your hair brings you a boost of confidence or a much-needed spark of joy, that’s something worth celebrating. And if you decide to hold off for a while, that’s perfectly okay too. There’s no one right way to move through pregnancy just the way that feels best and most authentic for you. The most important thing? Giving yourself grace. Whether you’re navigating new rules, new routines, or just new hair texture (yes, pregnancy can do that too!), you’re doing an incredible job.

At Cradlewise, we’re here to remind you that you are seen, supported, and never alone on this wild, beautiful ride. We’re cheering you on bad hair days, fabulous hair days, and every day in between.