Health & Beauty

How to Use Blue Hair Dye: A Step-by-Step Guide

Are you tired of your same old hair color and want to try something new and exciting? Blue hair dye is a great option to switch up your look and make a bold statement. However, dyeing your hair at home can be intimidating, especially if you're new to it. That's where our step-by-step guide comes in. In this blog post, we'll provide you with everything you need to know about using blue hair dye, including choosing the right shade, preparing your hair, applying the dye, and aftercare tips. By the end of this guide, you'll be ready to rock your new blue locks with confidence.

Choosing the Right Blue Dye

Choosing the right blue hair dye is an important step in achieving the desired result. When selecting a blue hair dye, consider factors such as the brand's reputation, the dye's ingredients, and the intensity of the color. There are various types of blue hair dye available in the market, including semi-permanent, temporary, and permanent dyes. Semi-permanent dyes are the most popular as they last for several weeks and fade gradually, while temporary dyes last for a few days and are suitable for those who want to experiment with different shades. When it comes to choosing the right shade of blue, it's important to consider your skin tone, natural hair color, and personal preference. From bright electric blues to subtle pastel shades, there are a range of blue hues to choose from, so take your time and select the perfect shade for your hair.

Preparing to Dye Hair Blue

Proper preparation is key to achieving a successful blue hair dyeing experience. Before starting, it's important to prepare your hair by washing it and avoiding the use of any hair products such as conditioner or styling products. This allows the dye to better penetrate your hair. You'll also need tools and materials such as gloves, an old towel, a mixing bowl, and a hairbrush. It's important to protect your skin and clothes from dye by wearing gloves, old clothes, and covering any surfaces that may come into contact with the dye. Applying a layer of petroleum jelly along your hairline and ears can also help prevent staining on your skin. By preparing properly, you can ensure a smooth and mess-free hair dyeing process.


Tips for Dyeing Your Hair Blue

Dyeing your hair blue is a fun and exciting way to change up your look. Follow these steps to achieve the best results:

Step-by-step instructions on how to dye your hair blue

  • Mix the blue hair dye according to the instructions on the package.
  • Section your hair and apply the dye evenly, starting from the roots and working your way down to the ends.
  • Leave the dye in your hair for the recommended time.
  • Rinse out the dye thoroughly with cool water.
  • Apply conditioner to your hair to keep it soft and hydrated.

Tips for applying blue hair dye evenly

  • Use a hairbrush or comb to ensure the dye is distributed evenly.
  • Apply the dye section by section, taking your time to make sure each section is fully saturated.
  • Wear gloves to prevent staining your hands.

How to ensure that the color stays longer

  • Avoid washing your hair for the first 48 hours after dyeing to allow the color to set.
  • Use a sulfate-free shampoo and conditioner to prevent fading.
  • Rinse your hair with cool water instead of hot water.
  • Avoid using heat styling tools as they can cause the color to fade faster.
  • Protect your hair from the sun by wearing a hat or using a UV-protectant spray.

Aftercare of Applying Blue Hair Dye

After dyeing your hair blue, it's important to take proper care of your locks to maintain the color and prevent damage. Follow these steps for aftercare:

Steps to take after dyeing hair blue

  • Wait at least 48 hours before washing your hair to allow the color to set.
  • Use a sulfate-free shampoo and conditioner specifically formulated for color-treated hair.
  • Avoid using hot water when washing your hair.
  • Limit the use of heat styling tools to prevent further damage to your hair.
  • Apply a hair mask or deep conditioning treatment once a week to keep your hair moisturized.

Tips for maintaining the color of blue hair

  • Avoid chlorine and saltwater as they can cause the color to fade.
  • Protect your hair from the sun by wearing a hat or using a UV-protectant spray.
  • Use a color-depositing shampoo or conditioner to refresh the color.
  • Rinse your hair with cool water to prevent fading.
  • Touch up the roots as needed to maintain the color.

What to do if the blue color fades or turns green

If your blue hair color fades or turns green, don't panic. There are a few things you can do to fix it. If the color fades, try using a color-depositing shampoo or conditioner to refresh the color. If the color turns green, it may be due to exposure to chlorine or hard water. To fix this, use a clarifying shampoo and rinse with apple cider vinegar to remove any buildup. You can also consult a professional hairstylist for further advice.


In conclusion, dyeing your hair blue can be a fun and exciting way to switch up your look. By following the steps outlined in this guide, you can achieve a vibrant and long-lasting blue hair color. Recap the steps to dye hair blue includes: preparing your hair, mixing the dye, applying the dye, and aftercare.

Additionally, some additional tips and advice for using blue hair dye include: wearing gloves to prevent staining, protecting your skin and clothes, and using sulfate-free shampoo and conditioner to maintain the color. It's important to take care of your hair by avoiding heat styling tools and using a hair mask or deep conditioning treatment to keep your hair moisturized.

Overall, dyeing your hair blue can boost your confidence and give you a bold and unique look. Whether you choose a bright and vibrant shade or a more subtle hue, blue hair is sure to turn heads. So, take the plunge and try out this fun hair color trend!

Frequently Asked Questions (FAQs)

Yes, but it may require pre-lightening to achieve the desired shade.

It depends on the natural color of your hair. If you have light blonde hair, you may be able to achieve a subtle blue tint without bleaching.

It depends on the brand and the condition of your hair, but generally blue hair dye can last anywhere from 4-8 weeks.

Use a sulfate-free shampoo and conditioner, avoid excessive heat styling, and touch up the color as needed.

Chlorine and salt water can fade the color, so it's best to wear a swim cap or avoid submerging your hair in water for extended periods of time.

Beth Norris

Beth Norris has years of experience working with top cosmetic and skincare brands for years  which reflects in her blogs which are packed with beauty and skincare tips. She has amassed a big following over the years, who wait for her content anxiously.