How Long to Fast to Clear Acne?
There's no single answer to how long you need to fast to clear acne, as it depends on several factors including your skin type, the severity of your acne, and the type of fasting you're doing. However, we can look at different types of fasting and what research suggests.
Skin fasting, or abstaining from skincare products, is often suggested for a period of 14 to 28 days to allow for a full epidermal cell cycle. [Source: This timeframe allows for the skin's natural processes to regenerate and potentially improve skin condition. Some ingredients in skincare products can negatively impact skin barrier function and sebum production, contributing to acne. ](This information is based on an unnamed source from April 21, 2020, which specified the 14-28 day timeframe for skin fasting.)
This approach aims to let the skin recover from potential irritation caused by certain ingredients in skincare products and allow its natural processes to function optimally.
Acne Treatment Timeframes
For other acne treatments, a different timeframe applies. Generally, you should give any acne treatment (be it over-the-counter or prescription) at least 4 weeks to see noticeable results. [Source: This timeframe provides sufficient time for the treatment to take effect.](This information is based on the American Academy of Dermatology (AAD).)
This is crucial because acne treatment works gradually. Consistent use is necessary to observe positive changes in skin condition.
Intermittent Fasting and Acne
Intermittent fasting (IMF), a dietary pattern involving periods of eating and fasting, has also been studied in relation to acne. Studies show varied results, so no definitive timeframe can be established linking IMF duration with acne clearance. [Source: Research on intermittent fasting's impact on acne is ongoing and does not currently support establishing a direct relationship between fasting duration and acne improvement.](This information is based on a summary of various research on intermittent fasting and acne, not citing a specific study.)
Conclusion
The length of time required to clear acne through fasting varies greatly depending on the fasting method and individual factors. For skin fasting, 14-28 days is a commonly cited timeframe. However, other acne treatments generally need at least 4 weeks to show significant results. Intermittent fasting's impact on acne remains a subject of ongoing research.