DISCLOSURE: This post contains affiliate links. If you purchase through our links we may earn a small commission at no extra cost to you.
The Short Answer
Keep the treated area clean, covered, and moisturised for the first few days, never pop blisters or pick scabs, and protect it from sun, heat, soaking, and friction while it heals. Full closure takes about 10 to 14 days, and the single biggest rule is to leave blisters and scabs completely intact — disturbing them is the main cause of scarring. Between sessions, keep it out of the sun and stay hydrated and active to help your body clear the ink.
Your clinic hands you a card about the first three days and sends you home, and that's roughly where their involvement in your healing ends. But the healing is where your result is actually made or lost — the laser does its work in minutes, and then it's on you for two weeks. Here's the full protocol nobody sits you down to explain. The First 24 Hours This window sets up everything that follows, so treat it carefully. Expect a strong reaction. Redness, swelling, warmth, and raised skin are all normal. Frosting — the chalky white appearance right after treatment — fades within 20 minutes. Blisters may appear within a few hours, sometimes large, sometimes blood-tinged. This is normal and not a sign of damage. Keep the clinic's initial dressing on as instructed, usually for a few hours to a day. Cool it, don't ice it. A cold pack over a cloth eases throbbing and swelling. Never put ice directly on the skin — that risks a cold injury on already-stressed tissue. Leave it alone. No touching, prodding, or inspecting-by-poking. Your hands carry bacteria and the skin barrier is compromised. Elevate if you can, especially on a limb, to reduce swelling in the first several hours. Manage discomfort with a cold compress and, if needed, paracetamol/acetaminophen. Avoid aspirin and ibuprofen in the first 24 hours if your clinic advises it, as they can increase bruising. HONEST LIMITATION: The clinic underplays how alarming the first night can look, and that silence causes real panic. Large blisters, blood-tinged fluid, significant swelling — these can appear within hours and look far worse than the treatment felt, and if nobody warned you, you'll spend the night convinced something went wrong. It almost certainly didn't. But the flip side is that you should know the genuine warning signs too, covered below, because "mostly it's fine" shouldn't mean "ignore everything." Knowing which is which is the point of a real protocol. The Two-Week Heal — What To Do From day one through full closure, the daily routine is simple and the consistency is what matters. Do:
- Wash gently once or twice a day with mild, fragrance-free soap and lukewarm water. Pat dry, never rub.
- Apply a thin layer of whatever your clinic recommended — usually plain petrolatum or a gentle healing ointment. Thin, not packed on; the skin needs some air.
- Keep it covered with a non-stick dressing while it's raw or weeping, changed daily. Once it's dry and closing, you can often leave it uncovered.
- Keep it dry beyond gentle washing. Moisture trapped under dressings breeds infection.
- Wear loose clothing over the area to avoid friction.
- Let blisters drain on their own and leave the deflated skin in place as a covering. The two absolute rules:
- Never pop blisters. The intact roof is a sterile biological dressing and nothing you buy beats it.
- Never pick scabs. Scabs trap fragmented pigment and protect the wound; lifting one early is the single most common cause of scarring. Full closure typically takes 10 to 14 days, though it varies by location and person. The skin may stay pink or slightly discoloured for weeks after it closes, which is normal. HONEST LIMITATION: The don't-pick rule sounds trivial and is the hardest one to actually follow, because healing skin itches and a half-lifted scab is almost unbearable to leave alone. This is where most self-inflicted scarring comes from — not ignorance, but a moment of absent-minded picking. If the itch is bad, a cold compress or a light tap around (not on) the area helps; keeping it covered also puts a physical barrier between your fingers and the scab. Treat "leave it completely alone" as the rule you have to actively defend, not one that takes care of itself. The Two-Week Heal — What To Avoid The don'ts matter as much as the do's, and several aren't obvious.
- No sun on the healing skin. This is the big one. Healing skin pigments unpredictably, and UV exposure during this window causes hyperpigmentation that can outlast the tattoo. Cover it with fabric; once closed, use mineral SPF 50.
- No soaking. No baths, pools, hot tubs, lakes, or ocean until fully closed — soaking softens scabs and open skin is an infection route.
- No heat for the first 72 hours — hot showers, saunas, steam rooms. Heat aggravates swelling and inflammation.
- No hard exercise for 48 hours. Sweat, friction, and heat all irritate the site, and sweat in an open area invites infection.
- No active skincare on or near the site — retinoids, AHAs, BHAs, exfoliants, fragranced lotions. They disrupt barrier repair.
- No shaving over the area until fully healed.
- No tight clothing rubbing the site — a real issue for tattoos on the waist, chest, or under bra straps.
WHY DISTURBING A SCAB CREATES A SCAR
A scab is not just dried blood sitting on top of a wound — it's a functioning temporary barrier your body builds within hours, and it sets the terms for how the skin beneath it will heal. Under an intact scab, the wound heals by re-epithelialisation: fresh skin cells migrate across the protected, moist surface underneath and rebuild the barrier in an organised layer, producing smooth, flat skin with minimal collagen disruption. The scab holds the edges stable, keeps bacteria out, and maintains the conditions that let this clean process complete. When you pick a scab off early, you strip away that barrier before the new skin beneath has finished forming, re-exposing raw tissue and forcing the body to restart the inflammatory phase of healing. Each restart lays down more collagen, and repeated disruption pushes the healing from clean re-epithelialisation toward the disorganised, excess collagen deposition that physically constitutes a scar. The same logic explains why an intact blister roof is worth protecting. That detached layer of epidermis is sterile and sits in exactly the position the body needs it, functioning as a biological dressing while the dermal-epidermal junction underneath rebuilds its anchoring proteins over roughly seven to ten days. Pop it and you expose the raw dermis directly to bacteria, friction, and dehydration, converting a clean closed heal into an open wound vulnerable to infection and inflammatory scarring. This is also why sun protection matters so much during healing: newly formed skin has immature, poorly regulated melanocytes — the pigment-producing cells — and UV exposure at this stage triggers erratic, excess melanin production, producing the darker hyperpigmented patches that can persist for months or permanently. In every case the principle is the same: the body has a clean, organised healing pathway that produces good skin, and each form of disturbance — picking, popping, sun, friction — knocks it off that pathway onto the inflammatory one that produces marks. Good aftercare is simply the practice of not knocking it off.
"The laser works in fifteen minutes; the two weeks of healing afterward decide whether your skin ends up clean or scarred — and that part is entirely on you."
Exactly What To Do, Day by Day
COOL AND PROTECT IN THE FIRST 24 HOURS
Keep the clinic dressing on as instructed, use a cold pack over cloth rather than ice directly, elevate a treated limb, and leave the area completely untouched while the barrier is compromised.
WASH GENTLY AND MOISTURISE THIN THROUGH THE TWO-WEEK HEAL
Clean once or twice daily with mild fragrance-free soap and lukewarm water, pat dry, and apply a thin layer of the recommended ointment. Keep it covered with a non-stick dressing while raw, changed daily.
LEAVE ALL BLISTERS AND SCABS COMPLETELY INTACT
Never pop a blister or pick a scab — the intact roof and scab are sterile dressings your body built, and disturbing them is the single most common cause of scarring. Manage itching with a cold compress, not your fingers.
AVOID SUN HEAT WATER AND FRICTION UNTIL FULLY CLOSED
No sun, soaking, hot showers, saunas, hard exercise, active skincare, or tight clothing over the area for the healing window. Sun protection should continue across the entire course, not just these two weeks.
SUPPORT CLEARANCE BETWEEN SESSIONS
Once healed, stay hydrated, active, well-rested, and smoke-free to help your lymphatic system clear the fragmented ink, and keep protecting the area from sun right up to your next session.
What To Never Use
Popping blisters or picking scabs
they're sterile dressings your body built, and disturbing them restarts inflammatory healing that lays down the disorganised collagen a scar is physically made of.
Sun exposure on healing or treated skin
immature melanocytes in new skin overproduce pigment under UV, causing hyperpigmentation that can outlast the tattoo, and tanning also forces slower laser settings across the whole course.
Soaking in baths, pools, or open water before full closure
it softens scabs and turns open skin into an infection route, undoing a clean heal.
Applying active skincare like retinoids or acids near the site
they disrupt the barrier repair the skin is trying to complete and can worsen irritation and pigment change.
