Will sweating make acne worse?

Generally, sweating alone does not worsen acne. However, if sweat remains on the skin for prolonged periods and is not cleaned promptly, it may exacerbate existing acne. If you have concerns, it is advisable to consult a healthcare professional in advance. Detailed analysis is as follows:

When simply sweating, the sweat can remove some surface oils and metabolic waste from the skin. Normal sweat is not significantly irritating, and as long as it is wiped off or cleansed promptly, it typically does not irritate hair follicles or trigger inflammation, nor will it worsen acne. On the contrary, it might leave the skin feeling briefly refreshed.

If the skin is not cleaned promptly after sweating, sweat mixed with surface oils and dust can accumulate at the follicle openings, clogging pores and preventing sebum from being discharged normally. This creates an environment conducive to bacterial growth, potentially leading to inflammation that aggravates redness and swelling of existing acne or triggers new breakouts. This situation is especially common in hot and humid environments where heavy sweating keeps the skin moist for extended periods.

After daily sweating, it's important to cleanse the skin promptly with mild, lukewarm water, avoiding frequent use of harsh cleansing products. During active acne breakouts, opt for lightweight, non-comedogenic moisturizers, wear breathable clothing, and minimize excessive sweating and skin irritation caused by heat and humidity.