How Long To Keep Henna On The Hair

Written by Arshiya Syeda

If you are planning to color your hair without the risk of chemicals, henna is your best bet. In this article, we discuss how you can use henna on your hair. It is an all-natural dye derived from a tree. You can use it alone or with other herbs to color the hair (1).

Henna gives your hair a reddish-brown tinge. If applied properly, it can do miracles for your hair without any risk of side effects. Scroll down to know more!

How Henna Colors Your Hair

The dyeing property of henna is due to the presence of laws one, a colorant (2). This naturally-occurring chemical reacts with your hair’s keratin protein to leave a strong stain that tends to last until the skin or hair is shed.

Let€™s now find out the ideal time to keep henna on your hair in the next section.

How Long Should You Leave Henna On Your Hair?

The ideal time for keeping henna on your hair depends on the final result you are aiming for. For highlights, you may leave the henna on your hair for 1-3 hours, depending on the intensity of the color you want. If you are looking for deep, rich color or want to cover gray hair, keep henna on your hair for 3-4 hours.

The time is taken for henna to stain your hair also depends on the mixture€™s strength and how you prepare it. For best results, mix henna with lukewarm water and let the thick paste sit for a few hours before using it.

Note: Do not keep henna on your hair beyond 5 hours to prevent dryness and scalp sensitization.

Are there any effects of leaving henna on your hair for a long time? Find out below.

What Happens If You Leave Henna On Your Hair For Longer?

The longer you leave the henna paste on your hair, the more the lawsone molecules migrate into keratin to produce rich and saturated color. Generally, 5 hours are considered sufficient for maximum absorption of henna.

However, herbal hair dyes tend to rehydrate themselves by absorbing moisture from the hair. Thus, if you keep the henna mix on your hair for an unnecessarily long period, it may dry out your scalp and hair, leading to irritation.

Note: Test the henna paste on a small patch of your hair to find how it responds to the dye.

Wondering how long your henna hair color can last before your next application? Check out your answer in the following section.

How Often Should You Reapply Henna?

You can reapply henna every 3-4 weeks for full coverage. Typically, henna stains last until your strands fall off or your hair grows out. Therefore, the frequency of application depends on how fast your hair grows, especially if you are using henna to cover gray hair. You may also reapply henna on the same day after your first application as it is devoid of chemicals.

However, you need to apply henna on your hair correctly to get the best results. Read on to know the right way to do it.

How To Apply Henna On Your Hair The Right Way

  1. Shampoo and dry your hair before using henna. Do not condition your hair.
  2. If you want highlights, apply the mixture directly to the areas that you wish to highlight.
  3. For greater coverage, section your hair in layers and apply the henna paste.
  4. Tie your hair into a tight bun after covering all the layers.
  5. Wear a shower cap to avoid spillage. This will also keep the mixture warm and activate the dye faster.
  6. Wait for a few hours, depending on the results you want.
  7. Wash your hair with room temperature water or use a conditioner to rinse the dried paste.
  8. Reapply henna whenever the roots need a touch-up.

To Conclude

Henna is a safe and organic option for dyeing your hair. It imparts a rich color to your hair and can be used for highlights and covering your grays. However, ensure you don€™t keep it on for more than 4-5 hours to prevent dry hair and scalp irritation.

Frequently Asked Questions

Can you leave the henna on your hair overnight?

No, it is not a good idea to leave the henna on your hair overnight, as it can dry out your hair and scalp.

Can I shampoo my hair after applying henna?

No. Do not use a shampoo within 48 hours after applying henna. However, you can opt for color-safe shampoos if it gets hard to rinse the dried paste.

References:

Articles on StyleCraze are backed by verified information from peer-reviewed and academic research papers, reputed organizations, research institutions, and medical associations to ensure accuracy and relevance. Read our editorial policy to learn more.

  1. Study of colouring effect of herbal hair formulations on graying hair
    https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4471652/
  2. Dyeing studies with henna and madder: A research on effect of tin (II) chloride mordant
    https://www.sciencedirect.com/science/article/pii/S1319610311002687
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