Is hair colour safe? Dermatologist shares health risks and 6 tips to reduce them

Hair colouring is common, but repeated dye use can irritate the scalp and damage hair. A dermatologist explains risks and how to stay safe. (Image: Pexels)

For both men and women of all ages, hair colouring has become a part of personal care routine. From covering greys to trying out new looks that complement your style, the use of hair colour products has grown considerably over the years. Though they’re made to be safer and more effective than ever before, when it comes to hair dye, health concerns haven’t gone away.

“Hair dyes, on the whole, are safe if applied properly but repeated or inappropriate use of hair dye can pose its own avoidable risks," said Dr Radhika Narang, Consultant- Dermatologist and Hair Health Specialist. It is important to know how hair dyes react on the scalp and understand the type of dye used, frequency of application, personal sensitivity and how much protection is given to potential health impact.

How Hair Colouring Can Impact Health

Hair colorants are products containing chemicals which modify the natural pigment of the hair. Permanent hair dyes contain ammonia and hydrogen peroxide, which open cuticles and contain molecules to turn the hair colour, these can sometimes irritate the scalp, make it dry and lead to brittleness of the hair shaft. For those who are sensitive, allergic reactions – itching, redness, swelling, rashes, on the skin can be caused from substances such as paraphenylenediamine (PPD).

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Potential Long-Term Concerns

Continual exposure to harsh chemicals contributes to chronic scalp sensitivity, hair breakage and more severe issues such as thinning. While there have been no definitive studies which could link occasional use of hair dyes with serious systemic health risk, long term and excessive exposure may potentially increase the possibility of skin issues.

How to Decrease the Health Risks

-Patch test before you dye every time, at least 24–48 hours before you dye your hair

-Minimize how often you colour to prevent the chemical burden

-Avoid using ammonia-free or herbal dyes if possible

-Please read and follow instructions carefully. Do not leave longer than recommended time.

-Wear gloves that is available during application.

-Regularly moisturize and condition to keep scalp and hair healthy

Also Read: Stressed hair after styling? These 7 Ayurvedic masks will bring your hair back to life

When to Consult a Doctor

If you still feel constant itchiness, burning sensation in the scalp, hair fall or rashes on your scalp post dyeing, visit a good dermatologist who can help you faster. Early periodontal examination may prevent complications and steer toward safer, alternative treatments.

FAQs on Health Risks of Hair Dye

1. Can hair dye cause allergic reactions?

Yes, hair dyes can cause allergic reactions in sensitive individuals, leading to symptoms such as itching, redness, swelling, and rashes.

2. Is it safe to use hair dye frequently?

Frequent use of hair dye can increase the chemical burden on your scalp and hair, potentially leading to chronic sensitivity and hair breakage.

3. What precautions should I take before dyeing my hair?

Always perform a patch test 24-48 hours before dyeing your hair, read and follow the instructions carefully, wear gloves during application, and use moisturizing and conditioning treatments regularly.

4. Should I avoid certain types of hair dyes?

If possible, opt for ammonia-free or herbal dyes to reduce exposure to harsh chemicals.

5. When should I see a doctor after dyeing my hair?

Consult a dermatologist if you experience persistent itchiness, a burning sensation, hair fall, or rashes on your scalp after dyeing.

Disclaimer: This article, including health and fitness advice, only provides generic information. Don’t treat it as a substitute for qualified medical opinion. Always consult a specialist for specific health diagnosis.