Skin booster aftercare, from bumps to results

What skin booster aftercare involves

Skin booster aftercare means leaving freshly injected skin alone for a day or two while the small bumps settle: no make-up for the rest of the day, gentle skincare and sunscreen, and no saunas, strenuous exercise, facial massage or facial treatments for a day or two. Most booster treatments go smoothly, and the commonest after-effects are bumps, redness, tenderness and occasional bruising.

Injectable skin boosters place many tiny droplets of product, about 0.01 to 0.05 mL each, roughly 1 to 2 mm deep and about 1 cm apart. Each droplet raises a small bump, which is why the skin looks briefly dotted in a grid. At SkinRev Lab, injectable skin boosters are a medical treatment performed by Dr Sin Yong after a consultation. He chooses between three main families:

• Hyaluronic acid (HA) boosters for hydration, dullness and fine surface lines.
• Polynucleotide (PN/PDRN) boosters, often considered for thin, sensitive or under-eye skin. See polynucleotide boosters.
• PDLLA boosters for gradual collagen support over weeks to months.

Aftercare is broadly the same for all three, with small differences noted below. The Needleless SkinBooster is a non-medical treatment performed by Aesthetic Therapists and needs very little aftercare; it has its own section further down. If Dr Sin Yong gives you different instructions on the day, follow his, because they are based on the product and area used for you.

Day-by-day timeline after a skin booster

Bumps usually flatten within hours to a day or two, most visible signs fade within the first week, and any skin-quality change usually builds over two to four weeks after each session. The table shows the usual pattern after facial treatment.

Thin skin under the eyes and on the neck tends to show bumps and bruises for longer than the cheeks. PDLLA boosters carry a small risk of lumps, so mention any lump you can still feel after a couple of weeks. Polynucleotide boosters are usually given as a short course, and their effect is judged after the course rather than after a single session.

The first 24 hours

For the first day, keep the skin clean, bare and cool, and do not press, rub or massage the treated area.

• No make-up for the rest of the day. The tiny injection points are still open.
• Gentle cleanser and sunscreen only. If you wash, use lukewarm water and pat dry with a clean towel.
• Cool, briefly. A wrapped cold pack held lightly in short spells during the first 48 hours eases swelling and tenderness.
• No massage or pressing. Avoid facial massage on the area, firm towel drying and face-down massage tables for a day or two.
• No strenuous exercise for a day or two. A gentle walk is fine.
• Skip heat and alcohol. Saunas, steam, hot yoga and alcohol can increase redness, swelling and bruising, so leave them for a day or two.
• Sleep. A clean pillowcase helps, and after under-eye treatment, sleeping with the head slightly raised can ease puffiness.
• Hands off. Do not squeeze, scratch or pick at the bumps.

Numbing cream is applied for 20 to 30 minutes before the injections and wears off soon after you leave, so some tenderness that evening is normal. If you need a painkiller, ask the clinic which suits you; many people use paracetamol rather than aspirin-type painkillers, which can increase bruising.

Bumps, bruising and redness: what is normal

Small bumps, pinkness, mild swelling, tenderness and occasional bruising are normal after injectable boosters, and they settle on their own.

• Bumps: the grid of small raised bumps usually flattens within hours to a day or two. Thin under-eye skin can take longer.
• Redness: pinkness around injection points usually fades over the first day or two.
• Bruising: possible, especially around the eyes and in thin skin. A bruise usually fades within about a week, and occasionally takes longer. A wrapped cold pack in short spells helps, and make-up can cover it from the next day.
• Tenderness: the area may feel slightly sore to touch for a day or two.
• Lumps: uncommon with HA and polynucleotide boosters; PDLLA boosters carry a small risk of lumps. Do not massage a lump yourself; mention it so it can be examined.
• Darkening: in medium to darker skin, any inflammation can leave temporary darkening, so daily sun protection matters.

A systematic review of injectable HA for facial skin quality found bruising, swelling and tenderness were the commonest side effects, typically resolving within two weeks, with no major problems reported in the included studies, although the authors rated the overall evidence as low quality. An expert review of polynucleotides similarly describes mainly local swelling, discomfort and slight bruising, while noting that long-term data are still limited. Bring any concern that has not settled to your review.

Skincare, make-up and sun after a skin booster

From the day after treatment, most people can return to a gentle routine and make-up, adding active ingredients back once bumps and redness have settled, usually within the first week.

• Day 0: gentle cleanser and sunscreen only, and no make-up for the rest of the day.
• From day 1: a mild cleanser, a plain moisturiser without fragrance and a broad-spectrum sunscreen of SPF 30 or higher. Barrier-type creams with ceramides or glycerine suit most people.
• Make-up: usually fine from the next day, applied gently with clean brushes or sponges.
• Actives: pausing retinol and exfoliating acids for two to three days before treatment is a common precaution. Restart them, and vitamin C, once the skin is calm, usually within the first week. Ask your doctor before restarting a prescription retinoid or any prescription cream, and add one active back at a time.
• Tools: skip facial rollers, gua sha, cleansing brushes and at-home devices on treated areas for a few days.
• Sun: use sunscreen daily and add shade or a hat at midday. Singapore's UV index is often very high, even on cloudy days. See UV index and pigmentation.

Boosters work on hydration and skin quality from within, so a simple routine that protects the skin barrier supports them well. If your skin is easily irritated, skin barrier repair explains which basics help. Sun protection and not smoking also affect how long results last.

Facials, lasers and other treatments

Facials should wait a day or two after an injectable booster, and longer if bumps or bruises remain; laser and energy-based treatments are usually planned either before the booster or a few weeks after it.

• HydraFacial and other facials: avoid facial treatments for a day or two, and longer if small bumps or bruises remain. A facial a few days before an injectable booster is usually fine. See HydraFacial timing with injectables and lasers.
• Laser, microplasma and energy-based treatments: these are usually planned either before the booster or a few weeks after it, with the exact gap set by the doctor.
• Peels and resurfacing with downtime: finish and heal these before the booster, and resume only when the doctor advises.
• Fillers and wrinkle-relaxing injections: when injectables are combined, Dr Sin Yong plans the order at consultation.

Planning for an event:

• Start injectable boosters about 8 to 12 weeks ahead. Make the last session at least four weeks before the day, with no injections in the final two weeks.
• A needleless booster about two weeks before is reasonable if you have had it before without a reaction.
• In the last week, keep to a familiar, gentle facial such as a HydraFacial two to five days before.

For the full countdown, see skin booster timing.

When to contact the clinic

Contact the clinic the same day for spreading redness, increasing pain, a change in skin colour or any sign of infection; these are uncommon, but early review matters.

Contact SkinRev Lab on WhatsApp (+65 8266 9585) the same day if you notice:

• Redness that spreads or deepens instead of fading.
• Pain that increases rather than easing.
• Skin near the injection area that turns pale, white, dusky or mottled.
• Heat, swelling, pus or fever, which can signal infection.
• Clusters of small painful blisters, particularly near the lips, which may be a cold-sore flare.

Book a check if:

• Bumps or swelling have not settled after about a week.
• You can still feel a lump after two weeks.
• A bruise or darkening is still visible after two weeks.

Call 995 or go to a hospital emergency department for:

• Any change in vision or eye pain after treatment near the eyes.
• Rapid swelling of the lips, tongue or throat, or difficulty breathing or swallowing.

Booster injections are shallow, but a needle can rarely enter a small blood vessel, which is why technique and anatomy matter around the eyes and nose. When you message, include a clear photo taken in daylight, the date of treatment and a short description; this helps the team see what you see.

Courses, results and special cases

Skin boosters are usually given as a course, and results are judged over weeks rather than days.

• Course: often two to three sessions a few weeks apart, followed by maintenance every few months. The plan is set at consultation.
• Results: some hydration may be noticed soon after, but any change in skin quality usually builds over two to four weeks after each session, and fades gradually without maintenance.
• Under-eyes: this area needs extra care, as bruising is more likely and vessels lie close to the eye. Dr Sin Yong first checks whether the concern is skin quality, a hollow or bulging fat, and may favour a polynucleotide booster there. See under-eye lines.
• Neck and hands: the same aftercare applies; thin skin here can bruise more easily. A randomised study of HA gel in the backs of the hands reported improved skin quality. See neck and hand rejuvenation.
• Cold sores: if injections near the lips are planned, tell the doctor about any history of cold sores.
• Allergies: polynucleotide boosters are derived from fish DNA, so mention any fish allergy.
• Pregnancy and breastfeeding: injectable boosters are postponed.
• Keloid, autoimmune or bleeding tendency: discuss these with the doctor first.

Injectable skin boosters are priced at consultation, as the fee depends on the product, the number of syringes and the length of the course. See skin booster price for what a quote should include.

Needleless SkinBooster aftercare

The Needleless SkinBooster needs very little aftercare, because nothing punctures the skin, so bruising and scabbing are not expected.

At SkinRev Lab, the Needleless SkinBooster is a non-medical treatment performed by Aesthetic Therapists. A specialised applicator tip delivers a booster solution into the skin without needles, chosen for hydration, tone or overall skin quality. It is priced at S$288 per region per session before GST, with the neck counted as a separate region at the same rate.

• Straight after: the skin may look briefly flushed; this settles quickly.
• Activities: most people return to normal activities straight away.
• Skincare: keep to your usual gentle routine and sunscreen. Ask your Aesthetic Therapist about any advice specific to the booster used.
• Course: hydration may be noticed after one session, while any change in tone and skin quality builds gradually over a course, typically with sessions every two to four weeks.
• With a facial: it pairs well with treatments that clean the skin first, such as a HydraFacial; your Aesthetic Therapist will advise the order and timing.

Needleless boosters work closer to the surface than injectable boosters, and their effect fades without upkeep, which is why they suit maintenance between other treatments or a short run-up to an event. See needleless vs injectable skin boosters for how the two compare, and skin boosters vs facials for where facials fit.

SkinRev Lab's own aftercare advice

SkinRev Lab's aftercare advice for injectable skin boosters is short: avoid make-up for the rest of the day; use gentle skincare and sunscreen; and avoid saunas, strenuous exercise, facial massage and facial treatments for a day or two. It is the same advice published on the skin boosters treatment page, with preparation tips from our skin booster timing guide.

1. Before treatment: avoid alcohol for 24 hours, and tell the doctor about blood thinners, painkillers and supplements. Never stop a prescribed medicine on your own.
2. Day 0: no make-up for the rest of the day; gentle skincare and sunscreen.
3. Day 0 to day 2: no saunas, strenuous exercise, facial massage or facial treatments.
4. First week: bumps usually flatten within hours to a day or two, and bruising, if it happens, is more likely around the eyes.
5. Course: any change builds gradually over weeks, with maintenance planned at review.

Dr Sin Yong's instructions on the day take precedence over this general list. Treatment takes place at SkinRev Lab, #B1-28 CityLink Mall, 1 Raffles Link, by City Hall MRT, open daily from 11am to 8pm. If something looks wrong, contact the clinic early on WhatsApp at +65 8266 9585 rather than waiting to see if it settles.