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What causes acne

2026-01-04 01:09:28 female

What causes acne

Acne, commonly known as "pimples", is a common skin problem, especially among teenagers. But acne isn't limited to adolescence; adults can also suffer from it. Understanding the causes of acne can lead to better prevention and treatment. The following is a summary of the causes of acne that have been hot topics on the Internet in the past 10 days. It is analyzed in detail for you based on medical research and user concerns.

1. The main causes of acne

What causes acne

The formation of acne is related to a variety of factors, including excessive sebum secretion, abnormal keratinization of hair follicles, bacterial infection, and inflammatory response. The following is a specific analysis:

CauseSpecific performancedegree of influence
Excessive sebum secretionOil clogs pores and forms blackheads or whiteheadshigh
Abnormal keratinization of hair folliclesThickening of the stratum corneum, blocking the outlet of the hair follicleshigh
Bacterial infection (Propionibacterium acnes)Bacteria multiply and cause inflammation, causing redness, swelling and acneMiddle to high
changes in hormone levelsElevated androgens stimulate sebaceous glandsin
dietary factorsFoods high in sugar and fat may worsen acnein
Stress and lack of sleepInfluence endocrine and aggravate sebum secretionlow middle

2. The relationship between hormones and acne

Changes in hormone levels are one of the important causes of acne. During puberty, rising androgen levels stimulate the sebaceous glands to secrete more oil, causing clogged pores. Additionally, women may develop acne due to hormonal fluctuations during their menstrual cycle, pregnancy, or menopause.

Hormone typeEffects on acne
Androgens (such as testosterone)Promote sebaceous gland secretion and aggravate acne
estrogenInhibits sebum secretion and may improve acne
Insulin-like growth factor (IGF-1)Linked to high-sugar diet, may trigger inflammation

3. The connection between diet and acne

In recent years, the impact of diet on acne has received much attention. High sugar, fat and dairy intake may be linked to worsening of acne. Here are the diet-related factors that are in popular discussion:

food typepossible impact
High-sugar foods (such as milk tea, cakes)Raise blood sugar, stimulate insulin secretion, and aggravate inflammation
Dairy products (e.g. milk, cheese)May contain hormones or ingredients that promote sebum production
spicy foodIndirectly triggers inflammatory response (varies from person to person)

4. Other influencing factors

In addition to the above main reasons, the following factors may also trigger or worsen acne:

  • Pressure:Stress stimulates cortisol secretion, which indirectly leads to an increase in sebum.
  • Improper use of skin care products:Over cleansing or using greasy skin care products can clog pores.
  • Environmental pollution:Pollutants in the air can irritate the skin and cause inflammation.

5. How to prevent and improve acne

To target the causes of acne, you can take the following measures:

  1. Gentle Cleansing:Choose a cleansing product that suits your skin type and avoid over-removing oil.
  2. Adjust your diet:Reduce the intake of high-sugar and high-fat foods and increase the intake of fruits, vegetables and antioxidant foods.
  3. Regular schedule:Get enough sleep and reduce stress.
  4. Medical treatment:For severe acne, you can consult a doctor and use medications (such as retinoic acid, antibiotics).

The causes of acne are complex and diverse and require comprehensive treatment based on individual circumstances. If recurrence occurs for a long time, it is recommended to seek help from a professional dermatologist in time.

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