Erbium Fractional Laser

How it works

An Er:YAG laser at about 2940 nm is strongly absorbed by water in the skin, so it removes thin columns of tissue with less surrounding heat damage than CO2. The skin repairs these columns over several days, which may soften texture, fine lines and shallow scars gradually. Outcomes vary by person, and the effect is generally milder than deep CO2 work.

Who it may suit

• Shallow acne scars and rough texture
• Fine lines around the eyes and mouth
• Enlarged pores
• People who want shorter recovery than deep ablative lasers

The treatment day

1. Assessment. The doctor reviews scar type, skin tone, medications such as isotretinoin and cold sore history, and proposes a depth.
2. Numbing. Numbing cream is applied for a period before treatment.
3. Laser passes. The laser is passed over the area with set depth and density, producing heat and a prickling feel.
4. Aftercare plan. Soothing products and written wound-care instructions are provided, and the interval to the next session is set.

Aftercare

• Expect redness and fine crusting for about three to seven days
• Keep skin moisturized and avoid picking crusts
• Wear sunscreen daily and avoid direct sun
• Skip strong actives and scrubs until healed
• Report increasing pain, pus or blisters

Things to know first

• Redness, swelling, crusting and temporary darkening can occur
• Infection, cold sore flare-ups and scarring are uncommon but possible
• Pigment change risk is higher on darker skin and after sun exposure
• Not typically advised during or soon after isotretinoin, with active infection or in pregnancy
• Results vary by person and by depth, and a series is often suggested

What to check before booking erbium fractional laser in Gangnam

Ask first about the depth plan and who decides it. Erbium resurfacing can be set shallow for a light refresh or deeper for scars, and recovery ranges accordingly. Make sure the explanation matches your concern: texture and shallow scars suggest a lighter approach, while deep scars may need other methods. A doctor who describes only the benefits and not the depth trade-off is skipping the important part.

Ask which device is used. In the catalog, Fotona 4D is the named platform that includes an Er:YAG mode, and the same hardware also supports lifting protocols, which can blur menu names. The clinic should say which mode and settings it intends to use. Also ask about your own risk factors, since medications, cold sores and recent sun affect the plan, and ask who performs the procedure.

A clear quote lists sessions, numbing, post-care products and follow-up. Treat vague promises about no downtime with caution. Honest consultations describe a few days of redness and fine crusting, advise strict sun avoidance and explain that you should hold off on scheduling around events or travel until the skin has settled.