Pearly penile papules: not an STD. CO2 laser removal in Taichung
Pearly penile papules (PPP) are a normal variation of the skin around the rim of the head of the penis. They are not an infection and not a sexually transmitted disease (STD). They are not contagious and do not turn into cancer. Medically, they do not need treatment.
Leaving them alone is a fully reasonable choice, and the most common one. If their appearance still bothers you, this page explains the diagnosis, CO2 laser removal, recovery and risks.
Explained by Dr. Chao-An Chen, urologist, at 昭安泌尿科診所 (Morning Urology Clinic), West District, Taichung.
In short
- What it is: a normal skin variation, not linked with hygiene or sexual experience.
- Confirming it: the doctor examines it at your first visit. If the session and the area allow, the laser can be done the same day. If it is not PPP, there is no laser treatment fee that day.
- If you want it removed: CO2 laser vaporisation, done in person by Dr. Chao-An Chen or Dr. Kai-Wu Yang (you can choose). The doctor applies a numbing cream; no anaesthetic injection. The laser takes about 15 minutes, the whole visit about 1 hour, and you go home on your own.
- Recovery: usually 2 visits (laser, then a check about 1 week later). Shower the same day; most people need no time off. No hard exercise for 3 days. Until the doctor confirms healing: no baths, swimming or anything that rubs the area, including sex.
- Limits: our usual practice is a single treatment. The aim is to make the papules less visible. A complete or perfectly smooth result is not guaranteed.
The treatment at a glance
| Item | Details |
|---|---|
| Procedure | Carbon dioxide (CO2) laser vaporisation |
| Laser time | About 15 minutes, not counting the wait for the cream; depends on the area |
| Total time | About 1 hour: check-in, numbing, laser and aftercare advice (and the examination, if on your first visit) |
| Same day? | Possible after confirmation if the session and area allow; otherwise another date is arranged at the clinic. Say so when you book. |
| Hospital stay | None; done in the clinic’s procedure room |
| Healing | For most people the scabs fall off by themselves in about 1–2 weeks. Colour changes take longer to fade. |
| Sessions | Usually one. New papules elsewhere later do not mean failure and can be assessed again; each repeat has its own recovery, and its charge is explained beforehand. |
| Cost | Self-paid; not covered by National Health Insurance. Costs are explained at the consultation. |
What pearly penile papules are
Under the microscope they are a benign structure called an angiofibroma. This is only a pathology name: it is not a tumour and does not become cancer.
- Place: around the corona (the rim where the head meets the shaft), most visible on the upper side.
- Pattern: one or more rows (most often one or two), sometimes all the way round.
- Size and look: about 1–4 mm, all similar; skin-coloured to white, dome- or thread-shaped, smooth.
- Change: more may appear at first, then they stay stable and do not spread. With age they often shrink.
They are part of the skin, not dirt or oil, so they cannot be squeezed, washed or picked off. They are not linked with hygiene, frequency of sex, number of partners or infection. Studies find them less common in circumcised men, but circumcised men have them too, so PPP is not a reason for circumcision. Figures vary between studies (from under one in ten to close to half), but they are clearly common.
PPP or something else?
| Type | Main features |
|---|---|
| PPP | Regular ring on the corona; even size, about 1–4 mm; does not spread; not contagious |
| Genital warts | Anywhere on the genitals or around the anus; irregular, uneven sizes; grow and spread; sexually transmitted; caused by HPV, mostly types 6 and 11 |
| Fordyce spots | Shaft, foreskin, scrotum; scattered yellow-white spots, about 1–5 mm; normal oil glands; not contagious |
| Molluscum contagiosum | Lower belly, groin, shaft, inner thighs; about 2–5 mm, waxy, with a dip in the centre; spreads; contagious |
A doctor must also rule out two often-missed conditions: condylomata lata of secondary syphilis (flat, moist, very contagious; needs a blood test) and bowenoid papulosis (pink, brown or purple bumps equal to a very early skin cancer; needs a biopsy).
Online photos and home “vinegar tests” are not reliable. Acetic acid gives many false positives and false negatives, and kitchen vinegar can burn the skin. International guidelines use examination by eye, with a dermatoscope (skin microscope) if needed, and a biopsy when unsure.
If it turns out to be warts, see genital warts: diagnosis and treatment. If your real worry is one sexual contact, you need STD testing, not treatment of these bumps.
See a doctor first if
Today or within a few days:
- an ulcer, bleeding, hardness, a fixed lump, or new colour;
- a sore or growth not healed after four weeks (these are often painless);
- redness, oozing, pain or dark marks after picking, squeezing or using wart removers.
Soon:
- spots growing fast or spreading beyond the corona;
- irregular, uneven or cauliflower-like spots;
- a partner with spots, HPV or syphilis;
- flat, moist, velvety spots, or coloured spots, especially if you are under 30 and sexually active;
- a dip in the centre or white material that can be squeezed out;
- a weak immune system (HIV, transplant, immune-suppressing medicine, chemotherapy), or any doubt about the diagnosis.
What matters is whether it is changing, not whether it hurts. Describe it in words on LINE and we will help you book.
Treatment options
Medically, PPP does not need treatment. Some men still want it removed because of how it looks. That is a personal choice, and it is yours.
Options are no treatment, freezing, electrocautery or CO2 laser. All three removal methods destroy tissue, and all can cause colour changes, scars and a need for another treatment. A 2025 review of 17 studies (142 patients) reported healing times of about 3–10 days for CO2 laser; it said trials are still needed to decide which method is better. These are not this clinic’s figures. This clinic uses CO2 laser for PPP, not freezing.
Do not pick or squeeze them (this causes infection, dark marks and scars), use wart removers or salicylic acid (chemical burns), or use prescription genital wart creams such as imiquimod or sinecatechins. PPP is not an approved use for them, and they may cause redness, raw skin, ulcers and colour changes.
How the laser treatment is done
CO2 laser energy is absorbed by water in the tissue, so the thin top layer turns into vapour. The papules are treated one by one at a very shallow depth.
- Confirming the diagnosis. Vaporised tissue cannot be sent to the laboratory. So if a spot looks unusual, coloured, hard or out of place, we take a biopsy first, or remove it in a way that keeps a sample. If you were treated elsewhere and the spots came back, please tell us.
- Informed consent. The doctor explains the reasons, side effects, alternatives (including no treatment) and cost before you sign.
- Numbing cream, no injection. The doctor applies a lidocaine and prilocaine cream and waits for it to work. You may still feel tightness, heat or slight stinging, and you can ask to stop at any time. If the area is large or you are sensitive to pain, the doctor may suggest more than one session. Do not buy or apply this cream yourself: on broken skin, or over a larger area or longer time, more is absorbed. Very rarely this causes methaemoglobinaemia (less oxygen in the blood): blue lips or nails, dizziness, fast breathing, sometimes hours later. If this happens, go straight to an emergency department. Do not wait for a LINE reply.
- Laser. The doctor treats each papule, controlling depth and area (about 15 minutes). With many papules, splitting the treatment is not a failure; it limits tissue damage.
- Aftercare. You receive a cream and instructions. No sedation is used, so you go home on your own.
Other procedures in the same visit. Circumcision, vasectomy or hair removal can be assessed at the same time and, if suitable, done on the same day. With circumcision, no extra cream is needed and the circumcision aftercare applies. With hair removal, the amount of numbing cream increases, and the doctor calculates it in advance. Each item is charged and explained separately.
Recovery
| When | What is common, and what to do |
|---|---|
| Same day | Slight redness, heat or tightness, maybe a little spotty bleeding. Shower gently; no soap rubbing, towel rubbing or baths. |
| Days 1–3 | Scabs form; slight swelling or oozing. Wear loose underwear. No picking, hard exercise, heat or heavy sweating. |
| Day 4 to week 2 | Scabs fall off in about 1–2 weeks; the skin may look red or darker. Check-up about 1 week after. Until the doctor confirms healing: no baths, hot springs, swimming, sauna or rubbing, including sex. |
| Week 3 onwards | Colour slowly fades. Do not treat remaining colour yourself. |
Showering: rinse gently with water that is not too hot, do not rub, pat dry at once or use a hair dryer on cool, then apply the cream. If you are not circumcised, pull the foreskin back to rinse and dry, then return it. Apply nothing else unless the doctor says so.
Work: most people need no time off. If your job involves long motorbike rides, long sitting or heavy sweating, tell the doctor beforehand.
Warning signs: ongoing oozing, redness, heat, pain, a bad smell or fever. At any time of day, tell us on LINE first (you can attach a photo); the doctor will reply and arrange care. Go to an emergency department only if LINE does not reply and the redness spreads or the fever continues.
Risks, side effects and who should not have it
Treatment may be considered when a doctor has confirmed PPP and its appearance causes ongoing distress, picking has caused broken skin or infection, or you stay anxious after being told it is benign.
Not suitable, or extra assessment first:
- active infection or inflammation, or an unclear diagnosis (suspected cancer leads to tests or referral);
- a tendency to keloids or raised scars;
- poor wound healing, for example poorly controlled diabetes;
- a clotting disorder or blood-thinning medicine;
- a weakened immune system;
- allergy to amide local anaesthetics; G6PD deficiency, methaemoglobinaemia, significant heart or lung disease, or medicines that can cause methaemoglobinaemia (tell us first);
- a history of herpes simplex (tell us; preventive medicine can be discussed).
Possible side effects and complications:
- pain, heat and swelling; scabs and oozing;
- darker or lighter skin, which can take time to fade, longer for a few people;
- scars, uneven healing or changed skin texture;
- bleeding, usually minor, but pressure or a return visit may be needed (higher risk with blood thinners);
- wound infection;
- a change in local sensitivity: not reported in the review, but with only 142 patients and short follow-up it is not ruled out;
- numbing cream reactions: redness, paleness, heat, swelling, itching or a skin reaction; very rarely methaemoglobinaemia (see above);
- some papules may remain, and new ones may appear elsewhere later.
There are no reliable figures for how often these happen. In the literature, treated spots rarely grow back in the same place, but long-term data are lacking.
The result is not guaranteed. The aim is to make the papules less visible. It is not guaranteed that they disappear completely or that the skin becomes completely smooth.
Before you come, and costs
- Timing: weekday evenings (open until 21:00) and Saturday mornings are possible. For same-day laser, check in at least 1 hour before the session ends: 11:00, 16:30 or 20:00 on weekdays, 11:00 on Saturday.
- Tell us about blood thinners, drug allergies or herpes simplex. You do not need to shave.
- On LINE, describe the spots in words. Please do not send genital photos.
- Privacy: private consulting rooms; no need to explain your visit at the front desk. Any procedure images are for your medical record only, never for advertising or social media.
A visit only to confirm the diagnosis is charged as a normal clinic visit. If you are not enrolled in Taiwan’s National Health Insurance, the consultation and tests are self-paid. CO2 laser for PPP is self-paid and not covered by National Health Insurance, because removal is a choice about appearance. The number and spread of papules, and any extra sessions, affect the cost.
Costs are explained at the consultation. You can also ask about costs on LINE before you come.
Frequently asked questions
Will PPP go away on its own?
It usually appears from late puberty and fades with age, but no one can predict how much for one person. Leaving it alone will not make it worse.
Can my partner catch it?
No. No virus is found in PPP tissue, and your partner needs no treatment. If your partner also has spots, both of you should see a doctor. Among men examined at STD clinics, about one in seven had PPP.
Is it caused by a long foreskin?
No. In a study of 2,613 young men who were all circumcised, about 1 in 6 had PPP. Whether the foreskin needs treatment is a separate decision.
Will anyone notice while it heals?
Clothing, work and walking are usually not affected. The small scabs can be seen up close. Picking them is the most common cause of scars and dark marks, so let them fall off by themselves.
Can Fordyce spots be treated at the same time?
They are also benign and need no treatment. They grow on different skin, so recovery, sessions and cost are assessed separately; this page’s timetable does not apply.
Can I have it done if I am under 18?
No. This clinic does not arrange PPP treatment for anyone under 18, but you can come to confirm the diagnosis.
Appointments and access
Consultations are conducted in Mandarin, and can also be conducted in English.
For treatment, write on LINE that you would like it on the same day if confirmed, with your name, mobile number, preferred doctor and preferred time (morning, afternoon or evening). To confirm the diagnosis only, book online.
昭安泌尿科診所 (Morning Urology Clinic)
No. 98, Boguan 2nd St., West District, Taichung City 403, Taiwan（403 臺中市西區博館二街98號）
Consulting hours: Monday to Saturday (closed Sunday). Online booking is open 24 hours.
This page was produced by 昭安泌尿科診所 (Morning Urology Clinic). Medical content last updated: October 2026 (same as the Traditional Chinese version). English version published: 5 November 2026. Medically reviewed by Dr. Chao-An Chen, urologist.
Sources: StatPearls: Pearly Penile Papule / DermNet NZ / Friedmann DP, et al. J Clin Aesthet Dermatol. 2025 / Am J Mens Health. 2018 / Agha K, et al. Int J STD AIDS. 2009 / Yildiz H, et al. Acta Dermatovenerol Croat. 2017 / BASHH 2024 anogenital warts guideline / IUSTI 2019 anogenital warts guideline / US CDC STI Treatment Guidelines 2021: HPV. Medication content follows the product information approved in Taiwan.
This page provides general medical information and does not replace an individual diagnosis or treatment plan.