Brenda Khan
Acne is a skin condition that affects up to 50 million people in the United States each year and is the most common skin condition in the country. While there is currently no cure for acne, treatments include prescription medications, over-the-counter gels and creams, and lifestyle changes. Dietary factors may also affect acne, and certain foods may improve or worsen acne and increase or decrease the effectiveness of oral acne treatments. This article will explore the link between diet and acne and provide guidance on how long it may take to heal acne through dietary changes.
| Characteristics | Values |
|---|---|
| Time to see results | 12 weeks |
| Certain foods to avoid | Dairy products, foods with high GIs and GLs |
| Certain foods to eat | Omega-3 fatty acids, fiber, plants, lean proteins, whole grains, fruits and vegetables |
| Diet type | Mediterranean diet |
| Other methods | Topical, over-the-counter remedies such as those containing benzoyl peroxide (Clearasil) or salicylic acid (Stridex) |
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What You'll Learn
Dairy products and acne
Dairy products have been linked to acne, but the underlying connection is still unclear. One theory suggests that dairy cows are treated with artificial hormones that affect their milk supply, and consuming this milk may disrupt our hormones and trigger acne. Another theory suggests that the growth hormones naturally present in milk may aggravate acne. A third theory posits that milk products, when combined with refined foods and processed sugars, disrupt insulin levels, making the skin more prone to acne.
The proteins in milk, whey and casein, stimulate growth and hormones in calves and can have similar effects on humans when we drink their milk. These proteins release a hormone similar to insulin, called IGF-1, which is known to trigger breakouts. Additionally, the hormones in milk can interact with our own hormones, potentially confusing our endocrine system and signalling breakouts. Skim milk, in particular, has been identified as a likely acne trigger, possibly due to its higher glycemic index and lower levels of skin-friendly fatty acids compared to whole milk.
Some studies have found a positive association between dairy consumption and acne in individuals aged 7-30. However, it is important to note that not all dairy products affect acne equally, and cheese, yogurt, and other dairy products do not seem to have the same effects as milk. The American Academy of Dermatology, for example, asserts that there is no evidence that cheese worsens acne.
It is worth noting that dietary changes alone will not clear up acne breakouts, and a regular treatment routine is also important. If you suspect that dairy is contributing to your acne, it is recommended to consult a healthcare professional before making any significant dietary changes, as there may be other factors at play and potential health consequences to eliminating dairy.
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Anti-inflammatory diets
While there is no one "ideal diet" for everyone, an anti-inflammatory diet is a good base to work from when trying to heal acne. This is because acne is considered an inflammatory condition, and reducing inflammation can help to manage it.
Inflammation is an immune response, and there are two types: acute and chronic. Acute inflammation is short-term and helps to protect the body from germs and tissue damage. Chronic inflammation, on the other hand, is caused by a poor diet, food intolerances, stress, sugar, and a sedentary lifestyle. This type of inflammation can result in heart disease, diabetes, arthritis, and skin issues like acne.
When it comes to acne, chronic inflammation activates a group of enzymes known as Matrix Metalloproteinases (MMPs). These enzymes can destroy healthy collagen and prevent the production of new collagen, which is important for keeping skin plump and firm. Inflammation is also responsible for making pimples look more red and swollen.
An anti-inflammatory diet can help to regulate inflammation and provide a solid first step for clearer skin. This type of diet involves choosing more whole plant foods like vegetables, nuts, and legumes that are high in nutrients, anti-inflammatory phytochemicals, and fibre to feed the gut microbiome. Omega-3 fatty acids, found in fish and healthy oils, may also help to reduce inflammation and prevent acne.
Other foods that can help to reduce inflammation and promote clear skin include nutrient-dense foods containing antioxidants, such as dark-pigmented fruits and vegetables (pomegranates, beetroot, berries), and beans and legumes (navy beans, lentils, chickpeas). A diet high in fibre can also aid the body in fighting inflammation, as fibre helps to slow digestion and stabilize blood glucose levels.
It's important to remember that everyone's dietary needs are unique, and it may take up to 12 weeks for dietary changes to have a noticeable effect on the skin. Keeping a food diary can help identify any foods that trigger or worsen acne breakouts, and a dermatologist can provide personalized feedback and suggestions.
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High glycemic foods
When blood sugar rises quickly, the body releases insulin-like growth factor 1 (IGF-1). High levels of IGF-1 can cause the oil glands in the skin to produce more sebum, increasing the risk of acne and skin inflammation. This is especially common during puberty when the body naturally produces more IGF-1.
A low glycemic index diet can help keep blood sugar levels stable and reduce the risk of acne breakouts. Low-GI foods include complex carbohydrates, such as whole grains, fruits, and vegetables, which are slowly digested and absorbed, causing a slower rise in blood sugar and insulin levels.
It's important to note that dietary changes alone may not clear up acne breakouts, and it can take up to 12 weeks for dietary changes to have a noticeable effect on the skin. Additionally, keeping a food diary can help identify any foods that trigger or worsen acne.
Some specific high glycemic foods that may contribute to acne include:
- Sugar and sugary foods: These are high-GI foods that can cause a rapid spike in blood sugar and insulin levels, contributing to increased inflammation and acne lesions.
- Refined carbohydrates: White bread, pastries, and other refined carbs are quickly digested and absorbed, leading to a rapid increase in blood sugar and insulin levels.
- Dairy products: While the evidence is mixed, some studies suggest that dairy, especially cow's milk, may worsen acne. Whey proteins in milk may contribute to acne development.
- Chocolate: Chocolate is often considered a culprit in acne, and it is a high-GI food that sometimes contains dairy.
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Food diary for acne
Keeping a food diary can be an effective way to identify foods that trigger or worsen acne breakouts. It is important to be patient when changing your diet, as it can take up to 12 weeks for dietary changes to have a noticeable effect on the skin.
To start a food diary, log every meal and snack, and record the type and severity of acne symptoms that develop each day. It is recommended to continue logging for a few weeks or longer, and then bring the diary to a doctor or dermatologist appointment. They can help to find links between the timing of breakouts and the food consumed.
Some foods that may trigger acne breakouts include dairy products, foods with a high glycemic index, and foods with a high glycaemic load. It is important to note that the link with dairy is much weaker, and it may only affect a small group of people.
On the other hand, consuming more omega-3 fatty acids, fiber, and plants may help to reduce acne breakouts. Following the Mediterranean diet is an excellent way to incorporate these dietary changes.
It is worth noting that dietary changes alone may not be sufficient to clear acne breakouts, and it is crucial to follow a regular treatment routine. Additionally, acne can be influenced by various factors, including hormones, genetics, and lifestyle choices.
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Omega-3 fatty acids
Acne is an inflammatory skin condition characterized by blackheads, whiteheads, and inflammatory lesions such as pimples, papules, and pustules. It affects people of all ages but is most common in adolescents. While there is no cure for acne, omega-3 fatty acids may help prevent or improve it due to their anti-inflammatory properties. Acne lesions are essentially small wounds, and omega-3 fatty acids are known to promote wound healing and reduce scarring. Additionally, acne is partly a bacterial disease, and omega-3 fatty acids have antibacterial effects, which may help fight acne-causing bacteria.
Several studies have investigated the role of omega-3 fatty acids in acne treatment. Some studies have found that omega-3 supplements, particularly those containing EPA and DHA, can reduce the number and severity of acne lesions. For example, a 2008 study by Rubin et al. showed a decrease in lesions in four out of five patients after eight weeks of EPA supplementation. Additionally, a 2012 study by Khayef et al. examined the effects of DHA and docosapentaenoic acid (DPA) in 13 men. However, it is important to note that the majority of these studies have been small, with limited patient cohorts and short follow-up periods.
While the results are promising, it is important to recognize that the effects of omega-3 fatty acids on acne may vary among individuals. Some people have reported worsening acne symptoms after taking omega-3 supplements or consuming omega-3-rich foods. Additionally, the typical Western diet is low in omega-3 fatty acids, which may contribute to acne development. Therefore, increasing omega-3 intake through diet or supplements may be beneficial for acne management. However, it is always advisable to consult a dermatologist or a clinician to determine the best treatment plan for your specific needs.
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Frequently asked questions
There is no definitive answer to this question as everyone's skin is different and reacts differently to dietary changes. However, according to the AAD, it can take up to 12 weeks for a dietary change to have a noticeable effect on the skin.
Dairy products, especially cow's milk, are thought to worsen acne. Other foods to avoid include highly processed foods and foods high in sugar, such as white bread, cookies, pastries, and sugar-filled drinks.
The Mediterranean diet is recommended for acne-prone skin as it includes foods rich in omega-3 fatty acids, fiber, and plants, while avoiding dairy and high-GI foods. The Whole30 diet, which focuses on whole, unprocessed foods, has also been successful for some people in improving their skin health.
Yes, many of the dietary recommendations for acne are also healthy for your overall body, so you will likely feel better and be healthier overall. Additionally, dietary changes can improve the effectiveness of acne treatments such as tetracycline class antibiotics.
