
Have you recently looked in the mirror and noticed something small and flat appearing on your face? 🤔
If it is skin-colored or light brown and seems to be gradually increasing, you may want to suspect flat warts. Many people think they are just simple skin troubles and move on, but this is a skin condition caused by a viral infection, so it is important to understand it properly and manage it well. Today, let’s take a detailed look at flat warts.

What are flat warts?
Flat warts are a skin condition caused by infection with the human papillomavirus (HPV). As the name suggests, they are characterized by a flat surface on the skin, and they usually appear as small lesions about 1–3 mm in size. They are skin-colored or light brown and have an oval or round shape. In particular, flat warts often appear on the face, which can be a cosmetic concern. 😟 They can also commonly develop on exposed areas such as the neck, back of the hands, arms, and legs. Most cases have few or no symptoms, but sometimes mild itching may occur, and because they are highly contagious, they can spread easily through contact or shared items.
Why do they appear?
The cause of flat warts is infection with the human papillomavirus. This virus spreads through skin contact and can also be transmitted when sharing items such as towels, razors, or exercise equipment. 💦 In particular, infection is more likely when immunity is weakened, when stress is high, or when there are small wounds on the skin. The virus can enter even through tiny scratches from shaving or small wounds caused by popping pimples. When the skin barrier is weakened, it becomes even more vulnerable, so regular skin care is important.

Flat warts can appear differently depending on the type
| Classification | Heat-type flat warts | Cold-type flat warts |
|---|
| Appearance | Clear or opaque lesions | Brown, little pigmentation |
| Symptoms | Accompanied by warmth and itching | No pain |
| Features | Can spread quickly | Can be left untreated for a long time |
Flat warts are broadly divided into heat-type and cold-type. Heat-type flat warts often appear as clear or opaque lesions and are frequently accompanied by warmth or itching. On the other hand, cold-type flat warts are brown or have little pigmentation and do not cause pain, so they are often left untreated for a long time. 🏥 Depending on the person’s constitution, customized care may be needed to cool heat or supplement qi and blood, and approaching them by distinguishing these types can also help prevent recurrence.

There are various treatment methods for flat warts. The most commonly used method is with an Er:YAG laser. It removes the lesion selectively with a laser while causing less damage to the surrounding skin. Another treatment method is the CO2 laser, and after the procedure, the area is managed with regenerative tape or ointment. Cryotherapy, which removes the lesion by freezing it with liquid nitrogen, can also help treat flat warts.

You can prevent recurrence by carefully following the precautions after a flat wart procedure. The most important thing is not to irritate the treated area. You must never scratch or rub it with your fingernails. Apply regenerative ointment and moisturizer consistently, and sunscreen is essential. ☀️ For a certain period, be careful to avoid contact with water, and avoid strong刺激 such as shaving or squeezing. It is also important to maintain immunity through enough sleep, regular meals, and stress management. Keep your skin clean, maintain strict personal hygiene, and use personal items such as towels and razors separately.
It is also good to pay attention to moisturizing the skin and strengthening the skin barrier, while properly managing other skin conditions such as acne. Reducing stress in daily life, getting enough rest, and eating a balanced diet are the key habits for preventing recurrence. 😊
Flat warts are not a simple skin problem but a condition caused by a viral infection. Therefore, proper care, lifestyle improvements, and strengthening immunity must be done together. If you are worried about flat warts on your face, please consult a dermatologist and find the method that is right for you. We hope you regain healthy skin through consistent care! 💪
This article was written for informational purposes in compliance with Article 56, Paragraph 1 of the Medical Service Act. All procedures and surgeries may leave side effects and aftereffects depending on the individual, so please make your decision after sufficient consultation with medical staff.
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