How to remove acne scars

Written by Liu Gang
Dermatology
Updated on May 27, 2025
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There are not too many methods to treat acne scars. If the scars are not particularly noticeable, or if there is only a slight indentation, you can go to the dermatology department of a regular hospital for fractional laser treatment. If the scar proliferation is significant and quite prominent, you can go to a regular hospital for drug treatment to close it. Generally, it can be sealed three to four times, mostly shrinking, softening, and becoming smaller, but it is impossible to completely remove it. If the scar keloids are relatively slender, cosmetic surgery can also be used to remove them. This condition cannot be completely eradicated, so it is essential to follow proper treatment procedures during the acne treatment period and avoid hastily picking at it to prevent scarring.

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Written by Liu Gang
Dermatology
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What is the white substance in acne?

The white substance in acne is mostly formed by the normal secretions of sebaceous glands accumulating at the mouth of hair follicles, combined with the fermentation of Propionibacterium acnes or Staphylococcus aureus, resulting in pus. Some of the white substances appear as tofu-dregs-like, which are pus formed after vigorous secretion of the sebaceous glands and then absorbed and dried. These substances can be treated with oral and topical anti-inflammatory medications. During treatment, it is also important to regulate one's diet and lifestyle habits, avoiding spicy and stimulating foods to reduce sebum secretion. It is also helpful to avoid staying up late, anxiety, and stress to alleviate symptoms or prevent recurrence.

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Written by Huang Ling Juan
Dermatology
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Can rosacea erythema fade?

Rosacea redness can subside, and the appearance of rosacea is a common type of skin disease in clinical practice. Rosacea can indeed be cured, but it is essential to use medications in a standardized manner and ensure the treatment duration. When presenting with rosacea, one can choose topical medications under the guidance of a doctor, such as metronidazole or clindamycin phosphate gel. It is also necessary to complement with oral medications, options include doxycycline hydrochloride capsules, minocycline hydrochloride capsules, or isotretinoin soft capsules. In cases of rosacea, it is also important to pay attention to diet, opting for a light diet. Avoid eating spicy, stimulating, or greasy foods. (Use medication under the guidance of a doctor)

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Written by Liu Gang
Dermatology
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Can hypertrophic acne scars be treated?

Acne, during its onset and treatment period, due to non-standard treatments or severe cases, coupled with some patients liking to pick or squeeze them, might lead to hypertrophic scarring later. Once hypertrophic scars form, they are not easy to treat, especially if they are very prominent, they generally cannot be completely cured. If the symptoms are mild, fractional laser treatment can be used, but the ultimate repair effectiveness is uncertain. If the prominence is especially noticeable, one can go to a dermatology department in a regular hospital for localized drug blockade treatment, but this only improves the symptoms and cannot eradicate the condition completely. Therefore, it is essential to follow standard treatment protocols during the onset of acne to prevent the formation of hypertrophic scars.

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Written by Liu Gang
Dermatology
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Can acne scars be removed?

If acne is not treated properly or promptly, it may worsen and develop into cystic acne. Additionally, if individuals frequently scratch, squeeze, or pick at the acne during treatment, infections can form and ultimately result in residual scarring. Once scars have formed, they are not easily fully repairable. If the scar proliferation is not too severe and is relatively flat, fractional laser treatment can be temporarily used for repair. If the scar proliferation is more pronounced and protrudes significantly, it is necessary to seek treatment in a proper hospital with medications and injections for closure therapy. However, these methods can only temporarily soften or shrink the scars, and cannot completely remove them. Therefore, the most fundamental approach is still to manage the treatment effectively to prevent residual scarring. Upon detection, it is crucial to follow standardized treatment protocols and avoid scratching or bursting the acne.

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Written by Liu Gang
Dermatology
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Is acne the same as pimples?

Acne is a medical term, commonly known as pimples or acne. These two are the same disease, caused by the infection of Propionibacterium acnes, and are related to one's own active sebaceous glands, eating spicy and stimulating food, or frequently staying up late. Once diagnosed with this condition, it is important to receive systematic and formal treatment to prevent recurrence. Treatment can include oral and topical medications from a dermatology department in a formal hospital, and combining this with red and blue light therapy may yield better results. Avoid scratching or popping the acne, as this can lead to scarring or pits. After recovery, it is crucial to maintain a proper diet and lifestyle over the long term, avoiding staying up late and consuming spicy and stimulating foods to prevent the condition from recurring.