MAYONNAISE HAIR TREATMENT: Efficacy, Benefits, Usage and More

Mayonnaise hair treatment
Image credit: HealthShots

Mayonnaise has been used as a hair treatment for generations. This is due to its high protein and vitamin content, which can effectively treat your hair problems. For numerous hair benefits, apply a mayonnaise hair mask to your hair. You might think we’ve gone insane, right? After all, mayonnaise goes well with sandwiches and hamburgers. How can you use it on your hair? Ladies, you’re in for a treat because this creamy dip can help with issues like hair fall and dandruff. Is there a specific reason for this? Continue reading to learn about mayonnaise hair mask treatment for lice, hair growth and frizzy hair along with its side effects.


Mayonnaise is high in protein because it contains eggs. It also contains a combination of vegetable oil and vinegar, which together deeply nourish your scalp, promoting healthy hair growth, reducing hair fall, and improving hair texture. 

How Long Should Mayonnaise Be Left in Your Hair? 

Allow the mayonnaise to sit in your hair for at least a half hour and up to an hour, depending on the level of conditioning required.

If you don’t have time to do the full conditioning treatment, use mayonnaise as a shower pre-conditioner. Wet your hair, apply the mayonnaise, and leave it on for five minutes while you finish your shower. Shampoo it out at the end of your shower. You can leave the mayonnaise overnight and wash it out in the morning for maximum conditioning benefits. 

Advantages of Mayonnaise Hair Treatment

Mayonnaise hair treatment has numerous advantages which include:

#1. It Hydrates 

Mayonnaise is made up of vegetable oil, egg, vinegar, and lemon juice, all of which are known to be beneficial to the hair. These ingredients increase the moisture content of the hair, making it sleeker and silkier. It works well on curly and dry hair, but it tends to make straight hair oilier.

#2. Frizz Is Reduced

Your hair will become less frizzy as a result of the Mayo’s hydrating ingredients. The hair is also shielded from the effects of dampness and dryness.

#3. It Encourages Hair Growth 

Mayonnaise masks are also known to stimulate hair growth. Mayonnaise is known to contain an amino acid called L-cysteine, which aids in this and works. 

#4. It Removes Lice 

There are claims that Mayo has aided in the removal of lice. According to the theory, the thickness of Mayo can help suffocate the head lice, killing them.

How to Use Mayonnaise Hair Treatment

A mayonnaise hair treatment can be made at home by combining one or more ingredients. A simple mayonnaise hair treatment only requires one ingredient: one cup of mayonnaise. Mayonnaise can be purchased at a grocery store or online. If you are allergic to egg yolks, you can buy eggless mayonnaise or make your own at home. 

To be considered true mayonnaise, a product must contain at least 65% vegetable oil and one or more egg yolk-containing ingredients. An individual should apply enough mayonnaise to cover their entire scalp. To use a mayonnaise hair treatment, follow these steps: 

  • Apply the product to damp hair, massaging it in from the scalp to the ends. 
  • Comb the mixture through your hair to cover the scalp and hair evenly. 
  • To trap heat, cover the hair with a shower cap or plastic bag. 
  • Allow 20 minutes.
  • Rinse the hair and scalp thoroughly before shampooing as usual. If available, a person may wish to use sulfate-free shampoo. 
  • Although eggs are a common allergen in mayonnaise, a person may be allergic to one or more of the other ingredients. 

People who experience burning or itching while applying the product should remove it from their hair right away.

Mayonnaise Hair Treatment for Lice

Egg yolks, vinegar, and vegetable oils are combined to make a mayonnaise hair treatment for lice. These ingredients, unlike prescription and OTC formulas, are not intended to kill lice and their eggs (called nits). However, many people are turning to mayonnaise in search of a safer, more natural hair lice treatment. 

To effectively eliminate lice, you must eliminate both the parasites and the nits. The theory behind mayonnaise hair treatment for lice is that it will “suffocate” the lice, causing them to die. However, there is no conclusive evidence that this method works. If anything, you may notice a temporary decrease in lice activity in your scalp, but the lice will most likely return.

Another disadvantage of using mayonnaise hair treatment to treat lice is that it does not effectively catch and suffocate all parasites. In addition, mayonnaise does not affect nits. This means that the nits are likely to hatch soon, and you’ll have to restart your usage of the mayonnaise hair treatment for lice.

You may want to see: Does Hair Dye Kill Head Lice?

Alternatives to Mayonnaise for Lice Suffocation

While mayonnaise is not recommended as a lice treatment, there are some smothering treatments that are effective. The key is to comb the hair after coating it with a fine-toothed comb. Many experts believe that smothering treatments only temporarily stun lice, causing them to move more slowly and easily with a comb. 

If you want to try the smothering technique, substitute olive or almond oil for the mayonnaise. They are less messy and easier to remove from your hair. You will also require a lice comb.

Follow these steps: 

  • Squeeze out any excess water after thoroughly wetting the hair. 
  • Apply olive or almond oil to the hair. Alternatively, coat the lice comb instead of the hair, reapplying the oil as needed. Try both methods and choose the one that works best for you. 
  • Separate the hair into a small section with a hair clip. Then, using a lice comb, go through each section of hair, moving slowly across the entire scalp. Rinse the comb frequently with hot water. 
  • After you’ve combed through all of your hair, wash it with shampoo, rinse, and repeat. The hair should then be dried.
  • Wash any towels you used and thoroughly clean the comb. Soak the comb in a 10% bleach solution for 30 minutes before thoroughly rinsing it. 
  • For one week, repeat these steps every day. Then, for the next two weeks, check by combing every night to ensure that the lice are gone.

Mayonnaise for Hair Side Effects

Despite the numerous advantages of eating eggs or using egg hair masks, it is critical to be aware of the potential side effects of applying eggs to your hair(mayonnaise). The benefits are numerous, but overdoing it or using it too frequently may have more negative effects, resulting in poor hair quality. So, to learn more, consider the following side effects of applying mayonnaise to your hair: 

#1. A Greasy Appearance 

The accumulation of dust and other particles on the scalp after applying mayonnaise to hair is one of the most common side effects. If you leave mayonnaise on your hair for more than 30–40 minutes, it will attract unwanted particles and frighten the scalp, resulting in dirty hair and a greasy appearance overall. Furthermore, leaving it on for longer periods may cause nausea due to the odor, which may not be removed with a single head wash. 

#2. Reactions to Allergens 

An allergic reaction is another major side effects that frequent mayonnaise hair mask treatment users experience. Experimenting with mayonnaise on the scalp may not be recommended if you are unsure about your allergies. One reason why it is preferable to use other ingredients with similar benefits rather than experiment with new ones is that scalp allergies are extremely dangerous, so it is best to avoid using mayonnaise regularly if you have skin irritation on your scalp, which can lead to redness and bald patches. 

#3. Scalp Dryness 

It is a very rare and uncommon side effects of applying mayonnaise to hair. This is a common side effect of egg yolk because it is a nutrient-rich component of mayonnaise. Furthermore, egg white accumulation on the scalp causes severe itchiness, further drying out the scalp.

#4. Brittle Hair 

Most people believe that leaving the mayonnaise hair mask on for a longer period provides greater overall benefits. However, this is false because leaving a mayonnaise hair mask on the scalp and hair for an extended period can cause hair hardening, making it difficult to wash out the hair mask even after multiple shampoo rounds. Before using egg-rich hair masks on your hair, always start with a shorter time duration and do proper research. 

#5. Infections

One of the lesser-known side effects of applying mayonnaise to hair is salmonella infection, which can result from eating too many raw eggs and mayonnaise. This infection is extremely difficult to treat and causes a slew of unpleasant symptoms. It is thus advised to use smaller amounts of raw eggs in your hair mask to provide the scalp with what it requires without risking infections or allergies. 

#6. Temperature of the Water 

Finally, one of the other potential side effects of using mayonnaise on hair is the fear of egg cook-off during hair washing, especially if the water used is hot. If this occurs, even multiple shampoo rinses may not be enough to remove every ounce of egg elements that were applied to the scalp.

To avoid this, it is recommended to always use lukewarm or cold water for the head wash to avoid cooking or burning out any of the ingredients mixed into the hair mask prior to application. Furthermore, some of the top dermatologists recommend cold water rinse as a hair therapy because they believe it keeps the scalp skin healthy and hydrated thoroughly.

Mayonnaise Hair Mask for Frizzy Hair

The mayonnaise hair mask is the ultimate de-frizzier, and when combined with an egg and honey, it will work wonders in taming wild, frizzy hair. The egg will not only help soften dry, frizzy locks but will also nourish your scalp and roots. Honey is a natural humectant and will moisturize your frizzy hair, locking moisture into hair cells and bringing back their vibrancy.


  • 2 tablespoons mayonnaise
  • 1 egg
  • 1 tablespoon honey


  • Whisk the egg in a small mixing bowl until it becomes frothy. Thoroughly combine the ingredients listed above. 
  • Massage the mixture into your wet hair with clean fingertips. 
  • Put your hair in a high bun and cover it with a disposable shower cap. Allow the goodness of the mask to sink deep into your hair follicles for 15 minutes. 
  • When the timer goes off, wash the mask out of your hair from the roots to the ends. Rinse as many times as necessary until the mask is completely removed. 
  • Shampoo and condition as usual to remove the hair mask smell. Finally, rinse your hair with cold water and wrap it in a fluffy towel.


  • Wet your hair and wrap a warm towel around your head before applying the mask to open up the hair follicles. 
  • To avoid bits and pieces of the mask sticking to your hair, rinse as thoroughly as possible to remove all of the hair mask. 
  • Before applying the mask, wet your hair. The mask does not work on dry hair or scalp. 

The Ingredients and Their Hair Benefits

Let’s take a look at the benefits of the ingredients in this mayonnaise frizzy hair mask:

#1. Mayonnaise

Mayonnaise is an oil that contains natural oils, vinegar, and multivitamin egg yolk, which aids in the restoration of damaged, frizzy hair. It’s best for curly hair because it helps restore moisture and softens brittle, frizzy hair, but it may not be necessary for those with straight hair. 

#2. Egg 

Egg yolk is high in protein, which can help to strengthen and shine hair. Eggs contain the protein lecithin, which can soften and moisturize dry, frizzy hair.

#3. Honey

Honey helps to hydrate dry, frizzy hair. It may also improve hair shine and gloss, promote smooth and soft hair, and reduce breakage.

Mayonnaise for Hair Growth

Some people believe that using a mayonnaise hair mask will enable your hair growth. This is thought to be accomplished by L-cysteine, an amino acid found in mayonnaise. One study on menopausal women with hair loss examined the role of nutritional amino acids such as L-cysteine. Researchers discovered that this amino acid is important in the formation of keratin, a type of protein found in hair that makes it strong and helps it grow.

L-cysteine was also said to be more effective when combined with vitamin B-6, which can aid in the absorption of other nutrients important for hair growth, such as zinc and iron. Nonetheless, the study focuses on diet and supplemental forms of L-cysteine, rather than directly applying the amino acid to the hair via mayonnaise. Due to a lack of scientific evidence, it is unknown whether a mayonnaise hair mask can promote hair growth.

What Effect Does Mayonnaise Have On Your Hair?

Mayonnaise is high in protein, vitamins, and fatty acids, which help to keep your hair soft, smooth, and shiny. Mayonnaise’s fatty acids help to provide intense moisturization to the hair strands, making them smoother and softer. Mayonnaise’s protein and vitamins make hair super shiny. 


It’s unclear whether a mayonnaise hair mask provides the benefits that many of its supporters claim. However, if you’re looking for a moisturizing frizz-tamer, especially if you have wavy or curly hair, it could be useful. Aside from using hair masks to add moisture, there are other things you can do to balance out the oil in wavy and curly hair.

If you use an oily shampoo on already dry ends, it will cause even more frizz. You can shampoo just your scalp and apply conditioner to your ends. Washing your hair every other day rather than every day can also help. If your scalp becomes oily between shampoos, use a dry shampoo to help you get through the day.

Mayonnaise hair treatment FAQs

Is mayonnaise beneficial to dry damaged hair? 

Mayonnaise also contains protein, which can help brittle or dry hair regain moisture.

Is mayonnaise good for straightening hair? 

Mayonnaise contains fatty acids that are extremely hydrating and moisturizing. They effectively tame frizzy hair and define the texture of the hair. Mayonnaise hair treatment smoothes out frizzy hair and straightens it. 


  1. How to deal with lice in blonde hair
  2. Lice in blonde hair: Everything you need to know (Updated!)
  3. Does Hair Dye Kill Head Lice?

Leave a Reply

Your email address will not be published. Required fields are marked *

You May Also Like