Acne is a skin disease that worries many adolescent men and women. It not only affects the appearance, but also may bring psychological pressure. This article will introduce the basic knowledge, causes and treatment of acne.

1、 What is acne?
Acne, also known as acne, is a common hair follicle sebaceous gland disease. It usually appears on the face, neck, back and other parts, manifested as acne, papules, pustules and other forms.
2、 Causes of Acne
1. Hormone level changes: During puberty, the level of androgen in the body increases, promoting the secretion of sebaceous glands, which is easy to lead to acne.
2. Abnormal keratinization of hair follicle sebaceous glands: the hair follicle mouth is blocked and the sebum is not discharged smoothly, which is easy to breed bacteria and cause inflammatory reaction.
3. Microbial infection: The growth and reproduction of propionibacterium acnes and other bacteria in sebum will aggravate the inflammatory reaction.
4. Genetic factors: Some people are more likely to suffer from acne due to genetic factors.
5. Other factors: diet, pressure, irregular work and rest, etc. may also affect the occurrence and development of acne.
3、 Treatment of acne
1. Drug treatment: topical drugs such as retinoic acid, benzoyl peroxide, oral drugs such as antibiotics, isotretinoic acid, etc.
2. Phototherapy: such as blue light and red light, can kill propionibacterium acnes and reduce inflammatory reaction.
3. Chemical skin rejuvenation: use chemical substances such as fruit acid and salicylic acid to promote the renewal of epidermal cells and improve acne symptoms.
4. Other treatment methods: such as traditional Chinese medicine treatment, laser treatment, etc., can also be selected according to the specific situation.
4、 Precautions for life with acne
1. Pay attention to facial cleaning and avoid using irritating cosmetics.
2. Eat a light diet, and eat less greasy, spicy and sweet food.
3. Keep a good routine and avoid staying up late.
4. Reduce stress and keep a good mood.
5. Avoid squeezing acne to avoid infection and scar.
5、 Cosmetic treatment of acne
1. Photorejuvenation: It can improve the pigmentation and erythema left by acne.
2. Injection filling: For acne scars, injection filling can be used for repair.
3. Micro needle treatment: Stimulate the skin through micro needle, promote collagen production, and improve acne scars.
The above is the introduction of acne treatment and beauty methods. I hope it can help you.