
If you've ever wondered why the back of your ears smells like Parmesan cheese, you're not alone. This phenomenon is quite common and can be attributed to a buildup of oil and sebum, which can trap residue from skin and hair care products, as well as dead cells, dust, dirt, and bacteria. The area behind the ears is often neglected during hygiene routines due to its hidden location, leading to a buildup of sweat and odour-causing agents. In addition to poor hygiene, other factors such as seborrheic dermatitis, infections, and yeast infections can also contribute to the cheesy odour. While it may be unpleasant, this issue is typically not a cause for serious concern and can be remedied with improved hygiene practices and, in some cases, medical treatment.
| Characteristics | Values |
|---|---|
| Cause | Poor hygiene, seborrheic dermatitis, yeast infection, bacterial infection, ear piercing |
| Treatment | Wash the area with soap and warm water, use rubbing alcohol, antifungal treatments, or antibacterial wet wipes |
| Prevention | Wash the area regularly, especially after exercising or when it's hot outside, clean piercings and earrings with disinfectant |
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What You'll Learn

Poor hygiene
To maintain good hygiene and prevent the cheese-like smell, it is recommended to wash the area behind the ears regularly with soap and water, especially after intense physical activity or excessive sweating. People with sensitive skin or eczema should opt for sensitive skin soap. It is also important to dry the area thoroughly after washing to prevent moisture buildup, which can lead to fungal or yeast infections.
In addition to regular washing, other practices can improve hygiene and reduce the cheese-like smell. This includes gently exfoliating the area once or twice a week to prevent dead skin buildup and keeping long hair clean and dry. For those with ear piercings, it is crucial to maintain good hygiene by cleaning the piercings and earring posts with rubbing alcohol or a special piercing solution.
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Seborrheic dermatitis
The cheese-like smell can also be caused by a build-up of oil and sebum, which can be addressed by scrubbing behind the ears with soap during daily showers. If the smell persists, one can try using rubbing alcohol on a cotton ball after showering.
In addition to seborrheic dermatitis, yeast infections can also cause a cheese-like odour. Yeast tends to grow in warm and moist areas, so people who sweat a lot or do not clean the area behind their ears may develop a yeast infection. Yeast infections tend to itch and produce a beer or bread-like smell. Most yeast infections can be treated with over-the-counter antifungal remedies, but severe cases may require prescription medication.
Poor hygiene is the main cause of bad smells behind the ears. Not washing or infrequently washing can cause a build-up of dead cells, dust, dirt, bacteria, and sweat, resulting in a strong odour. Regular washing with soap and water, especially after exercising or sweating, is essential to maintain good hygiene and prevent odours.
For those with ear piercings, it is important to clean the piercings and earrings regularly to prevent infections. Bacteria can infect healed piercings, especially if they are unclean, and cause a bad smell. Cleaning the ears and earrings with rubbing alcohol or an ear-piercing solution can help eliminate the odour.
In summary, seborrheic dermatitis, yeast infections, and poor hygiene are potential causes of a cheese-like smell behind the ears. Addressing these issues through proper hygiene practices, antifungal treatments, and medical attention for severe infections can help alleviate the odour.
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Yeast infection
The area behind the ears is a common site for yeast infections. Yeast thrives in warm and moist environments, so people who sweat a lot or do not regularly clean behind their ears may develop a yeast infection. This can be identified by itchiness and a beer- or bread-like smell. In rare cases, yeast can enter the bloodstream and spread through the body, causing a serious yeast infection called invasive candidiasis. People with weak immune systems, such as those with HIV or AIDS, are more susceptible to this type of infection.
To prevent yeast infections behind the ears, it is important to maintain good hygiene. This includes regularly washing the area with warm water and soap, especially after exercising, spending time outdoors, or sweating. Using antibacterial wet wipes when access to soap and water is limited can also help. Additionally, cleaning earrings and piercings regularly can help prevent infections, especially with the use of disinfectant sprays like rubbing alcohol.
While most cases of yeast infections are mild and treatable, it is always a good idea to pay attention to any signs of infection and seek medical advice if needed.
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Ear piercings
If the area behind your ears smells like parmesan cheese, it could be due to several reasons. Firstly, it could be a result of poor hygiene, as the area behind the ears can be difficult to see and reach, leading to a buildup of dirt, dead skin cells, and bacteria. This buildup, combined with sweat, can result in a strong cheese-like odour. Maintaining good hygiene by regularly cleaning behind your ears with soap and water is essential to prevent this issue. Additionally, consider using antibacterial wet wipes when you don't have access to soap and water, and you can even apply a small amount of essential oils, such as tea tree oil, to combat the odour.
Another potential cause could be seborrheic dermatitis, a type of eczema that affects the skin, including the area behind the ears. This condition produces scaly, oily flakes that can trap sweat and odour, resulting in a cheese-like smell. Antifungal treatments are typically effective in treating seborrheic dermatitis.
In some cases, the smell could be indicative of a yeast infection, which tends to occur in warm and moist areas. Yeast infections can cause itching and produce a bread-like or beer-like smell. Most yeast infections respond well to over-the-counter antifungal treatments, but severe cases may require prescription medication from a doctor.
If you have ear piercings, ensuring proper hygiene and regular cleaning of the piercings and earrings is crucial to prevent infections. Bacteria can enter and infect healed or unhealed piercings, causing a bad smell. Clean the ears, earring posts, and backs with rubbing alcohol or an ear-piercing solution to maintain good hygiene and prevent infections. Additionally, choosing silver earrings can provide an added antibacterial effect, reducing the likelihood of irritation and infection.
While the cheese-like smell behind your ears can be unpleasant and embarrassing, it is usually not a sign of a serious problem. By identifying the underlying cause and implementing proper hygiene practices, you can effectively address and prevent the issue.
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Antiperspirant or deodorant
A cheesy smell behind the ears is often caused by a combination of excessive secretions, poor hygiene, and infection. Sweat glands are found all over the body, including behind the ears, and they secrete perspiration that can start to smell when it comes into contact with bacteria and oxygen. This, combined with dead skin cells, dust, dirt, and other elements that can gather in hair, can result in a strong odour.
To prevent and get rid of the cheese smell, it is recommended to keep the area clean and dry. This includes washing behind the ears with soap and water, drying the area, and then applying antiperspirant or deodorant. Antiperspirants are products designed to reduce the amount of sweat produced by the body, and they can be particularly effective in reducing odour when used in combination with proper hygiene practices. Deodorants, on the other hand, are products that primarily mask or eliminate body odour without necessarily reducing sweat production.
When choosing an antiperspirant, look for one that contains aluminium-based compounds as these work by blocking the sweat ducts, reducing the amount of sweat that reaches the skin's surface. Antiperspirants are typically applied to clean, dry skin and can be used daily to prevent excessive sweating and the resulting odour. They are available in various forms, including roll-ons, sticks, and sprays, so choose one that suits your preference.
If you prefer to use a deodorant, opt for one with odour-fighting ingredients such as baking soda, ethanol, or triclosan. Deodorants work by neutralising or masking body odour, and they can be applied directly to the skin behind the ears. Like antiperspirants, deodorants come in various forms, so choose the one that best suits your needs. Additionally, some natural deodorants use ingredients like tea tree oil, grapefruit seed oil, or peppermint oil to combat odour, and these can be safely applied in small amounts to the skin behind the ears after washing and drying the area.
In addition to personal hygiene and the use of antiperspirants or deodorants, there are other measures you can take to reduce the cheese smell. These include keeping the hair short or pulled back from the ears to prevent product buildup and clogged pores, regularly washing hats, scarves, and other items that come into contact with the ears, and reducing the use of hair products that can increase scalp oil production and trap dirt and dust.
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Frequently asked questions
The smell is likely caused by poor hygiene. Not washing behind the ears or washing infrequently can cause a bad smell to develop.
It is recommended to wash behind the ears with soap and warm water. You can also use wet wipes or an alcohol spray to keep the area clean.
Yes, seborrheic dermatitis, a type of eczema, can cause a cheese-like smell. The condition produces scaly, oily flakes that can trap sweat and odour.
Maintaining good hygiene, especially after exercising or being in dusty/windy environments, can help prevent the smell. You can also use deodorant or antiperspirant after washing and drying the area.
Yes, a yeast infection can cause an itching sensation and a bread- or beer-like smell. In rare cases, it can lead to invasive candidiasis, where yeast enters the bloodstream.

























