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The Science Behind Grey Hair: Why It Happens and How to Cover It

By November 26, 2024July 24th, 2025No Comments
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Grey hair is a natural part of getting older. Some people get just a few silver strands, while others go completely grey. While grey hair is normal, many people want to keep their original hair color. In this blog, we’ll explain why hair turns grey and how root touch-up services can help cover it in a safe and professional way.

What Causes Hair to Turn Grey?

The main reason hair turns grey is because of less melanin. Melanin is the pigment that gives hair its color. As we age, our body makes less melanin, so hair loses color and turns grey, silver, or white.

1. Tyrosine and Melanin: How Hair Loses Its Color

Tyrosine is an amino acid your body uses to make melanin. When the body produces less tyrosine, melanin also decreases. This causes hair to lose its natural color.

Grey hair often starts at the temples or hairline. Most people see their first greys in their 30s or 40s, but some may notice it earlier due to genetics or lifestyle.

2. Change in Hair Texture

Grey hair is usually coarser and thicker. This happens because grey hair has more outer layers (called the cuticle). More layers make it harder for hair dye to absorb, which is why grey hair can be tricky to color.

3. Genetics, Stress, and Lifestyle

Your family history plays a big part in when your hair turns grey. But other factors also matter:

  • Stress: Ongoing stress may affect hormones and reduce melanin.

  • Poor Diet: Lack of vitamins like B12, iron, and copper can cause early greying.

  • Pollution: Toxins from air pollution can damage hair and reduce melanin.

How to Cover Grey Hair with Root Touch-Up Services

Many people choose to color their grey hair. One of the most effective ways is with a professional root touch-up. It targets just the roots, making the rest of your hair look fresh and even.

1. Why Professional Root Touch-Ups Are Better

While home hair dye kits are available, professional services give better results:

  • Perfect Color Match: A hair colorist can blend your roots with your existing color.

  • Quality Products: Salons use gentle, high-quality dyes that protect your hair.

  • Quick and Easy: At Express Rut Bar, our root touch-ups take about 1 hour.

  • Natural Look: Colorists make sure the result looks smooth and real—not patchy or fake.

2. What Happens During a Root Touch-Up?

Here’s what to expect during your appointment:

  1. Consultation: The stylist checks your hair and talks about your color goals.

  2. Color Application: The dye is carefully applied to the grey roots.

  3. Processing Time: The color develops for about 20–30 minutes.

  4. Rinse and Finish: After washing out the color, a conditioner is used to make your hair soft and shiny.

You’ll leave the salon with even, vibrant hair and no visible grey roots.

Tips to Maintain Hair Color Between Touch-Ups

To keep your color looking great between visits, try these tips:

  • Use Color-Safe Shampoo: It keeps the color bright and prevents fading.

  • Avoid Too Much Heat: Heat tools like flat irons can cause your color to fade faster.

  • Condition Regularly: Keeps hair soft and helps prevent breakage.

  • Limit Sun Exposure: Too much sunlight can dull your hair color.

Why Choose Express Rut Bar for Your Root Touch-Up?

If you live in Vancouver, BC or Surrey, BC, Express Rut Bar is your go-to salon for fast and expert grey coverage. Our skilled colorists know how to:

  • Match your hair shade perfectly

  • Use high-quality, long-lasting products

  • Provide fast and friendly service

  • Keep your hair healthy and stylish

Whether you need a quick fix or a full color refresh, we’re here to help you look and feel your best.

Frequently Asked Questions

1. Why does hair turn grey as we age?

Hair turns grey due to a natural drop in melanin production in the hair follicles. Melanin is the pigment responsible for your hair color. As you age, your body produces less melanin, causing hair to lose its color and appear grey, silver, or white.

2. Can stress really cause grey hair?

Yes, studies show that high levels of chronic stress can affect the melanin-producing cells in your hair follicles. This may speed up the greying process, especially if combined with genetic factors or poor nutrition.

3. Is it safe to dye grey hair frequently?

Yes, if done professionally. Grey hair can be harder to color due to its coarse texture, but professional root touch-up services use high-quality products designed to protect hair health while providing even coverage.

4. What’s the best way to cover grey roots quickly?

The most effective and safe way to cover grey roots quickly is through professional root touch-up services. These sessions usually take about 1 hour and blend your roots perfectly with your existing hair color.

5. How can I make hair color last longer between touch-ups?

To maintain hair color, use color-safe shampoos, avoid excessive heat styling, apply conditioner regularly, and protect your hair from sun exposure. These steps can help prevent fading and keep your hair vibrant.

Conclusion

Grey hair is normal, but you don’t have to keep it if you prefer your natural or dyed color. Knowing why hair turns grey helps you make smart choices. With root touch-up services, you can cover grey roots quickly and safely. Let a professional do the job for seamless, natural-looking results.

Ready to say goodbye to grey roots?

Book your appointment at Express Rut Bar today and bring back your confident look.

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