Grey hair is often seen as a sign of aging, stress, or poor health, but much of what we hear about it is based on myths rather than science. Dermatologist Dr. Ankur Sarin recently addressed some of the most common misconceptions surrounding hair greying, offering clear guidance backed by research.

1. Cutting Grey Hair Doesn’t Make More Grow
Many people worry that trimming grey hairs will cause more to sprout, but Dr. Sarin confirms this is false. “Hair colour is determined at the follicle level, not by cutting the hair,” he explains. While trimming can improve hair appearance and remove split ends, it does not influence pigment production.

2. Hair Dyes Don’t Speed Up Greying
Another widely held belief is that coloring hair accelerates the greying process. According to Dr. Sarin, this is also a myth. “Hair dyes affect only the hair shaft, not the pigment cells in the scalp,” he notes. While chemical dyes can make hair dry or brittle if used frequently, they do not increase the number of grey strands.

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3. Grey Hair Can Turn Black—But Rarely
Can naturally grey hair regain its original color? The answer is yes, but only in certain cases. Dr. Sarin highlights that greying caused by nutritional deficiencies—such as low levels of vitamin B12, folate, or copper—or extreme stress may be partially reversible if the underlying issue is addressed. However, genetically programmed greying cannot be reversed.

4. Hard Water Doesn’t Cause Grey Hair
Hard water has long been blamed for premature greying. Dr. Sarin debunks this myth, stating that while hard water may cause dryness or mineral buildup, it does not affect melanin production—the key pigment responsible for hair color.

5. Frequent Washing Won’t Affect Hair Colour
Some believe washing hair often can trigger greying. Dr. Sarin clarifies that this is false: “Washing your hair simply cleans oil and dirt; it does not impact the pigment cells.” Regular hair hygiene is important for scalp health but has no influence on greying.

6. Early Greying Isn’t Linked to Liver or Gut Problems
Contrary to popular belief, there is no scientific evidence linking premature greying to liver or digestive issues. Genetics, oxidative stress, and certain nutritional deficiencies remain the primary factors influencing hair color.

7. How to Slow Down Greying Naturally
While genetics can’t be changed, there are ways to slow the greying process. Dr. Sarin recommends:

• Consuming a diet rich in vitamins and minerals, particularly B12, folate, copper, and antioxidants.

• Increasing protein intake to support hair strength.

• Considering topical treatments such as melatonin or darkenyl-based serums, which may help preserve pigment in some cases.

Hair greying is a natural biological process, and not every grey strand is cause for alarm. By understanding the real factors behind hair color, you can make informed choices for your hair care routine and avoid falling prey to myths.

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