Madeleine Hull
While there is no consensus that changing your diet can effectively treat acne, some studies suggest that certain foods may worsen acne. These include dairy, sugar, processed foods, and alcohol. On the other hand, foods rich in omega-3 fatty acids, probiotics, and low glycemic fruits and vegetables may help reduce acne. It's important to note that everyone's skin is unique, and results may vary when adopting an anti-acne diet. While some may see improvements within a few weeks, it could take others several months. The time it takes to clear acne with dietary changes also depends on avoiding non-dietary triggers, such as detergents, cosmetics, and pollen, as well as the skin's natural regeneration process, which typically takes about 4-6 weeks.
| Characteristics | Values |
|---|---|
| Time taken to clear acne with diet | Results may be seen in a few weeks, while for others, it could take several months. |
| Factors affecting the time taken | Severity of acne, individual rate of skin regeneration, non-dietary triggers such as detergent, cosmetics, pet hair, pollen, etc. |
| Dietary changes to be made | Reduce dairy, sugar, processed foods, high glycemic foods, alcohol, fatty foods. |
| Dietary additions | Omega-3 fatty acids, probiotics, low glycemic foods, leafy green vegetables, vitamins, minerals, antioxidants. |
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What You'll Learn
The link between acne and diet
A survey of the dietary habits of over 24,000 older adults found that those who consumed a diet high in fat and sugar were more likely to have acne. The survey also revealed that those with acne were 76% more likely to consume at least five glasses of milk per day, twice as likely to consume at least five servings of high-sugar drinks, and eight times more likely to eat a complete meal of fatty and sugary products. Additionally, milk and whey protein have been linked to acne, with a possible explanation being the hormones present in milk, which may cause inflammation in the body.
However, it is important to interpret these results cautiously as dietary records can be faulty, and self-diagnosis of acne may not always be accurate. Other factors, such as pollution, could also be confounders in the relationship between milk consumption and acne. Furthermore, while studies can detect an association, they cannot prove causation.
Despite the inconclusive evidence, some dietary choices may still be beneficial for skin health and potentially help with acne. Low glycemic fruits and vegetables, lean proteins, and whole grains are recommended for maintaining healthy skin and may reduce the chances of developing acne. Additionally, adding omega-3s and probiotics to the diet may also help improve skin health.
While there is no consensus that changing one's diet can effectively treat acne, certain dietary patterns, such as a high intake of fatty and sugary foods, have been linked to a higher incidence of acne. Further research is needed to establish a clearer understanding of the relationship between diet and acne and to develop guidelines for preventative measures and treatments.
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Anti-inflammatory foods for acne
While the connection between diet and acne is still considered controversial due to poor-quality and insufficient research, some studies have found a link between diet and acne, particularly for high-glycemic foods, fast food, low vegetable intake, dairy, and chocolate. Acne is considered an inflammatory condition, and certain foods may perpetuate or worsen it.
To manage acne, it is important to understand the relationship between an anti-inflammatory diet and skin clarity. When there is less inflammation in the body, there will be less inflammation in the skin, glandular systems, and gut, which is strongly linked to skin health.
- Omega-3 fatty acids: Found in foods such as fatty fish (salmon, mackerel, sardines), flaxseeds, walnuts, and omega-3 fortified eggs. Omega-3s are known for their anti-inflammatory properties and may help reduce acne by decreasing the production of acne-causing substances in the body.
- Probiotics: Found in fermented foods such as yogurt, kefir, sauerkraut, kimchi, and kombucha. Probiotics are known to promote a healthy gut, which can indirectly support skin health and reduce inflammation.
- Low-glycemic foods: Foods with a low glycemic index, such as most non-starchy vegetables, legumes, whole grains, and some fruits, release glucose slowly into the bloodstream, preventing spikes in insulin levels that can increase skin inflammation.
- Anti-inflammatory fruits and vegetables: Certain colourful fruits and vegetables are rich in antioxidants and have anti-inflammatory properties. These include dark-pigmented options such as pomegranates, beetroot, and berries, as well as yellow and orange varieties like carrots, apricots, and sweet potatoes.
- Zinc-rich foods: Zinc is a mineral that may help reduce inflammation and combat acne-causing bacteria in the skin. Include more pumpkin seeds, hemp hearts, cashews, and chickpeas in your diet. However, be mindful that high doses of zinc supplements can have side effects, so it's best to prioritise zinc-rich foods.
In addition to these dietary recommendations, it is important to maintain a healthy skincare routine and manage stress levels, as stress can also contribute to inflammation and acne.
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Dairy, sugar, and acne
While there is no single diet guaranteed to clear acne, dietary choices may affect skin health. Dairy, sugar, and acne are linked, and certain foods may promote inflammation throughout the body, potentially triggering acne outbreaks.
Dairy and Acne
There is a potential link between acne and dairy products, particularly cow's milk. One study found that women who drank two or more glasses of skim milk per day were 44% more likely to have acne. Another study of 205 patients aged 10 to 24 in Italy found that those with acne drank significantly more cow's milk than those without. However, cheese, yogurt, and other dairy products do not seem to have the same effects. It is unclear why cow's milk may increase acne, but one theory suggests that certain hormones in milk cause inflammation.
Sugar and Acne
Frequent consumption of foods high in sugar is associated with a higher risk of acne. Sugar causes spikes in blood sugar levels, which lead to increased insulin levels and the release of the hormone insulin-like growth factor 1 (IGF-1). High levels of IGF-1 can cause oil glands in the skin to produce more sebum, increasing the risk of acne and skin inflammation.
The Western Diet
The Western diet, which is high in sugar, dairy, fat, and refined carbohydrates, has been linked to greater inflammation levels, contributing to chronic acne problems. Ethnographic studies have observed lower acne prevalence among non-Westernized peoples who consume low-GI diets with almost no dairy, sugar, or refined carbohydrates.
Anti-Acne Diet
An anti-acne diet may include low glycemic index (GI) foods, which reduce spikes in blood sugar and subsequent inflammation. Examples of low-GI foods include most fresh vegetables, some fresh fruits, beans, and steel-cut oats. Additionally, omega-3 fatty acids, probiotics, and a Mediterranean-style diet rich in fruits, vegetables, whole grains, and low in dairy and saturated fats may help reduce acne.
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How long does it take to see results?
The length of time it takes to see results from an anti-acne diet depends on several factors. Firstly, it is important to be patient when changing your diet, as it can take time for your skin to adjust to the new regime and repair any damage caused by previous flare-ups. According to the AAD, it can take up to 12 weeks for dietary changes to have a noticeable effect on the skin.
Some people may see results in as little as a few weeks, while for others it could take several months. An elimination diet, which involves cutting out potential trigger foods and then reintroducing them one at a time, can be a useful way to identify specific triggers. This process can take around six to eight weeks to complete properly, and it is recommended to do this under the care of a registered dietitian or doctor.
It is also important to consider other, non-dietary triggers such as detergent, cosmetics, pet hair, and pollen, which can impact the length of time it takes for your skin to improve. Additionally, the natural cycle of skin repair and regeneration varies from person to person, with most people's skin replenishing itself every four to six weeks.
While dietary changes may not provide immediate results, they can be an important part of managing acne. A skin-friendly diet involves avoiding triggering foods, such as dairy, sugar, and alcohol, and incorporating skin-healthy foods, such as omega-3 fatty acids, probiotics, low-glycemic foods, and leafy greens.
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Omega-3 fatty acids and acne
Acne is a common skin condition that affects up to 80% of people between the ages of 11 and 30. It is characterised by inflamed bumps and pimples, usually on the face, neck, back, and chest. While the diet-acne connection was previously considered a myth, new studies suggest that diet may play a role in acne development and severity, especially in adults.
Omega-3 fatty acids, particularly eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA), have been speculated to be beneficial in preventing and treating acne due to their anti-inflammatory properties. Acne is an inflammatory skin condition, and omega-3 fatty acids may help to reduce inflammation and target the underlying causes of acne.
The potential benefits of omega-3 fatty acids in acne treatment have been explored in several studies. One small study found that participants with acne had lower blood levels of EPA and higher levels of inflammatory markers compared to those without acne. Another study in 45 people with mild to moderate acne showed that taking 2,000 mg of EPA and DHA supplements daily for 10 weeks significantly reduced both inflammatory and non-inflammatory acne lesions.
However, the evidence is not conclusive, and some studies have found no significant improvement in acne with omega-3 supplementation. A study in 13 people with inflammatory acne found no change in acne severity or lesion count after taking a daily fish oil supplement with 930 mg of EPA for 12 weeks. Additionally, in the same study, four individuals with mild acne experienced worsened symptoms after taking EPA supplements.
While the effectiveness of omega-3 fatty acids in acne treatment varies among individuals, they can be beneficial for overall health. Omega-3 fatty acids are known to have positive effects on mental health and well-being, even in healthy adults without clinical depression. They have been associated with improved mental, emotional, and social well-being, and may help regulate mood and depressive symptoms.
To increase your omega-3 intake for acne or overall health, aim to include more fish in your diet, such as salmon, mackerel, herring, and sardines. Plant-based sources of omega-3 include flaxseeds, chia seeds, and walnuts, which provide alpha-linolenic acid (ALA). It is important to note that there are no standardised recommendations for using omega-3s to treat acne, and more research is needed to fully understand their effectiveness.
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Frequently asked questions
There is no definitive answer to this question. While some people may see results in as little as a few weeks, it could take several months for others. It is important to be patient and persistent when changing your diet to improve acne, as it can take time for your body to adjust and repair damage from past flare-ups.
Foods that are known to trigger acne include dairy, sugar, processed foods, and alcohol. It is recommended to follow an anti-inflammatory diet that includes omega-3 fatty acids, probiotics, and low-glycemic foods.
In addition to avoiding trigger foods, it is important to eat a diet rich in vitamins, minerals, and antioxidants. Leafy green vegetables such as spinach and kale are loaded with these nutrients and may help improve acne.
Keeping a food diary can help identify foods that trigger or worsen acne breakouts. Log every meal, snack, and the type and severity of acne symptoms that develop each day. Bring this diary to a doctor or dermatologist, who can advise on dietary changes. An elimination diet can also help identify trigger foods.
