Laser Skin Resurfacing: What It Is and Who It Helps

Laser skin resurfacing uses light energy to remove very thin, controlled layers of skin so that fresh skin can grow in their place. As the skin heals, it also produces new collagen, which can gradually improve texture, fine lines, sun damage and some scars. It helps people with surface-level concerns who can accept a period of healing; it is not a substitute for a facelift or a fix for deep folds.

How resurfacing works

Your skin naturally renews itself, but that process slows with age and sun exposure. Resurfacing deliberately creates a precise, controlled injury, and the body's repair response does the rest. Two things happen during healing:

1. Surface renewal. The damaged outer cells are replaced by new ones, which often look smoother and more even in tone.
2. Collagen remodelling. Heat and healing stimulate the deeper skin (the dermis) to build new collagen and reorganise existing fibres. This continues for months after treatment.

This is why the full benefit of resurfacing is not visible as soon as the skin heals. The smoother surface appears within days to a couple of weeks, but the firmer, more even quality that comes from new collagen tends to develop gradually over the following months.

The depth of treatment largely determines both the degree of change and the recovery time. Lighter treatments mean less downtime and subtler results; deeper treatments mean more downtime and more noticeable change, along with higher risk.

The role of Er:YAG

The Er:YAG laser, at a wavelength of 2940 nm, is absorbed very strongly by water in skin cells. That allows it to vaporise (ablate) extremely thin layers of tissue with relatively little heat spreading into the surrounding skin. Clinicians can adjust settings to remove only a few microns of skin, or go deeper where needed. They can also use longer pulses to add gentle heat without much removal.

Er:YAG is one of the wavelengths in a Fotona device; for background, see what the Fotona laser is and how it works. Treatment can be done across the whole surface (full-field) or in a grid of tiny columns that leaves untreated skin between them (fractional). The differences are covered in our article on fractional vs full-field resurfacing.

What resurfacing can help

Depending on depth and technique, resurfacing may improve:

• Rough or uneven skin texture
• Fine lines, particularly around the eyes and mouth
• Sun damage, including some sun spots and dull, leathery skin
• Some types of acne scars and surgical scars
• Enlarged-looking pores
• Some benign growths, such as certain seborrheic keratoses, after a doctor has confirmed what they are

It is less helpful for deep expression lines caused by muscle movement, which respond better to a neuromodulator. It does not restore lost volume, and it cannot lift significantly sagging skin. Results vary from person to person, and many people need more than one session.

Who tends to be a good candidate

Resurfacing often suits adults who:

• Have surface concerns such as texture, fine lines or sun damage
• Have lighter to medium skin tones, or darker skin where a cautious, lighter approach is planned
• Are in good general health and heal well
• Can avoid sun exposure before and after treatment
• Can plan for some downtime and follow aftercare carefully
• Have realistic expectations about gradual improvement rather than dramatic change

Timing matters as well. Because new skin is very sensitive to sun, many people in Nova Scotia prefer to plan resurfacing for the fall and winter, when there is less strong sun and fewer outdoor commitments.

For many people, especially early on, good daily sunscreen, a retinoid and gentle skincare may be the right first step before considering laser.

Who should not have it, or should wait

Resurfacing is generally postponed or avoided if you:

• Are pregnant or breastfeeding
• Have active acne, an infection, open sores or a current cold sore outbreak in the area
• Have used isotretinoin recently; the waiting period should be discussed with your clinician
• Have a recent tan or significant ongoing sun exposure
• Have a history of keloids or abnormal scarring
• Have a condition or take a medication that impairs healing or affects immunity
• Have had radiation therapy to the area
• Have an unexplained, changing or bleeding spot; this needs to be checked by your family doctor or a dermatologist first

If you have had cold sores before, your clinician may suggest antiviral medication around the time of treatment. Do not stop any prescribed medicine on your own; discuss it with your prescriber.

Risks and recovery

After resurfacing, expect redness, swelling and a warm, sunburn-like feeling. Depending on depth, the skin may feel rough, flake or peel for several days, and pinkness can last for weeks after deeper treatments.

Possible risks include:

• Infection, including bacterial infection or a cold sore flare
• Darker patches (post-inflammatory hyperpigmentation), more likely in darker skin and with sun exposure; usually temporary
• Lighter patches (hypopigmentation), which can be longer-lasting, especially after deeper treatments
• Acne flares or small white bumps (milia) during healing
• Prolonged redness
• Scarring, which is uncommon but possible

Strict sun protection and close follow-up help reduce these risks.

Aftercare usually involves gentle cleansing, keeping the skin moisturised with a bland ointment or cream as directed, avoiding picking at flakes or crusts, and holding off on active skincare ingredients until the skin has healed. Makeup is generally avoided until the surface has closed over. Call the clinic if you notice increasing pain, pus, spreading redness, fever or blisters, as these can signal infection.

Frequently asked questions

Is resurfacing the same as a chemical peel?

Both remove outer layers of skin to encourage renewal, but they work differently. A laser allows precise control over depth in specific areas, while peels use acids applied across the skin. Each has its place.

When will I see results?

Surface smoothness may be noticeable once healing is complete, often within one to two weeks for lighter treatments. Collagen changes continue to develop over three to six months.

Can resurfacing be done on the neck or hands?

Sometimes, but skin in these areas is thinner and heals more slowly, so treatment is usually gentler and more conservative.

If you are wondering whether resurfacing suits your skin, HealthPark Medical Aesthetics can review your skin type, history and goals at a consultation and discuss whether laser, skincare or another approach makes the most sense for you.