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Profhilo: Downtime

Very mild Category: Skin Boosters & Collagen Stimulators Last updated: 2026-07-02
There is a type of treatment known as a "skin booster" (skin-quality injection) in which high-concentration hyaluronic acid is injected at several points on the face, with the aim of building hydration and firmness from within the skin. Because no scalpel is involved, the downtime is generally said to be relatively mild, though small bumps may appear right after the injections (temporary raised spots at the injection points), and some people develop bruising. As a general picture, one guideline is that "visible changes settle within the day of treatment to a few days, and any firm or lumpy feeling lasts a few days to about 1 week." That said, how symptoms appear and progress varies from person to person, and your actual recovery will depend on the specifics of the treatment and your own constitution.
Important notice about unapproved medications

Some of the products described on this page have not been approved as pharmaceuticals in Japan. They are imported personally under the responsibility of the treating physician, and they are not guaranteed to have the same efficacy and safety as domestically approved medications. In some cases, no approved medication with the same active ingredient exists in Japan. If a health problem occurs, it will not be covered by Japan's Relief System for Sufferers from Adverse Drug Reactions. Safety information from other countries differs from product to product. Before undergoing treatment, be sure to receive a thorough explanation from your doctor.

DowntimeA few hours to a…
PainMild
MakeupSame day if you …
Work / social lifeOften possible f…

Downtime at a glance

Small bumps right after injection typically last a few hours to about 2 days; if bruising occurs, allow 1–2 weeks. Most of it can be covered with makeup.

Typical downtime is A few hours to a few days (about 1–2 weeks if bruising occurs), and most people feel comfortable being seen in public after Often possible from the same day to the next day (cover any bruising with makeup). Recovery varies from person to person. How much swelling or bruising appears varies from person to person, depending on constitution and the extent of treatment.

Recovery timeline: treatment day to final result

Day of treatment

Small bumps and redness may appear at the injection points, and a prickling sensation may linger. Avoid touching the injected areas firmly, and skip strenuous exercise, alcohol, and long baths. If you are told to cool the area, do so only gently — avoid over-icing. How symptoms appear varies from person to person.

Next day

The bumps typically start to become less noticeable around this time. In some people, bruising may begin to appear. Some puffiness may remain, but it is generally said to be at a level that makeup can cover. Recovery varies from person to person.

Day 3

By this stage the small bumps have usually flattened out and any lumpy feeling starts to ease. If there is bruising, it often changes from bluish-purple to a yellowish tint. If any symptom concerns you, consult the medical institution where you had the treatment.

1 week later

Any firm or lumpy feeling has generally settled by around this time. Bruising is also fading and often becomes easier to cover with makeup. This is generally said to be when the product begins to integrate with the skin.

2 weeks later

The noticeable part of the downtime is generally over by around this point. Bruising is also said to become inconspicuous by this time in most cases. Some people begin to notice changes in hydration and firmness, though how and when changes appear varies from person to person.

1 month later (typical timing for an additional session)

Skin-quality injections are sometimes performed as a series of sessions spaced a set interval apart. The number of sessions and the spacing depend on your skin's condition and your goals, so plan them in consultation with your doctor.

A few months later (when changes typically stabilize)

After several sessions, this is generally said to be when changes in hydration and firmness settle in. How noticeable and long-lasting the results are varies from person to person, and some people continue with periodic maintenance sessions to keep up their skin's condition.

Bars show approximate swelling levels (individual results vary).

Common symptoms

SymptomLikelihoodWhen it appearsHow long it lastsNotes
Small bumps at the injection points (raised spots)HighImmediately after treatmentUsually flatten within a few hours to about 2 daysBecause the product is injected in concentrated amounts at several points, the injection sites may be temporarily raised. Avoid pressing or massaging them firmly, as this could shift the product unevenly
Redness and a prickling sensationHighImmediately after treatmentTypically the day of treatment to the next dayThis comes from the mild irritation where the needle entered the skin. It usually settles relatively quickly, though how it feels varies from person to person
BruisingMediumImmediately after treatment to the next dayAbout 1–2 weeksBruising can occur when the needle nicks a small blood vessel. How easily you bruise varies from person to person, and the under-eye and mouth areas are generally considered more prone to it
Lumps or a firm feelingMediumImmediately after treatmentA few days to about 1 weekThe treated areas may feel firm to the touch until the product settles in. Most soften gradually, but if firmness persists for a long time, consult a medical institution
Swelling or puffinessMediumDay of treatment to the next dayAbout 2–3 daysThe face may look slightly fuller overall, but this is usually mild. The degree varies from person to person
Itching or mild tendernessLowA few hours to a few days after treatmentA few daysYou may feel this temporarily as the product settles into the skin. If intense itching or pain persists, consult a medical institution

When can I do what? (Daily-life restrictions)

ActivityTypically OK fromKey point
MakeupSame day if you avoid the injection points; typically back to normal from the next dayOn the day of treatment, avoid rubbing the injection points. If bruising appears, it can usually be covered with concealer
Face washingTypically OK gently from the evening of treatment dayWash by pressing gently rather than rubbing the injected areas. If your medical institution gives specific instructions, follow them
ShowerTypically OK from the same dayAvoid rubbing your face firmly or letting hot water run over it for a long time
Bathing (soaking in the tub)Avoid on the day of treatment; typically OK from the next dayBoosting circulation too much can make swelling and bruising more noticeable, so stick to a short shower on the day of treatment
AlcoholAvoid on the day of treatment; typically OK from the next day onwardAlcohol can worsen bruising and swelling. Keep intake modest while any bruising remains
ExerciseLight exercise typically from the next day; strenuous exercise from about 2–3 days laterStrenuous exercise on the day of treatment can raise the risk of swelling and bruising
Sauna and hot-stone bathingTypically from about 2–3 days laterHigh heat boosts circulation and can make swelling more likely. Hold off until your symptoms have settled
Massaging the injected areas / sleeping face downTypically from a few days laterUntil the product settles in, avoid pressing firmly, massaging, or compressing the area by lying face down for long periods. Follow your doctor's instructions on how long to wait
Other cosmetic treatments (laser, peels, etc.)Around 2 weeks later as a guideline (ask your doctor)For treatments involving heat or irritation, it is generally considered safer to wait until the product has settled in. Ask your doctor in advance whether and when they can be done
Can you hide it? Concealment difficulty ●○○○○ / The small bumps right after injection often become less noticeable within a few hours to about 2 days, so this is generally considered a relatively easy treatment to conceal. If bruising appears, it can usually be covered with concealer or foundation. Because the injections are on the face, a mask cannot hide everything, but bruising around the cheeks and mouth tends to be easy to hide behind one. How easily it can be concealed varies from person to person.

Pain and anesthesia

The typical pain level is Mild. If you are worried about pain, you may be able to discuss options such as topical anesthesia (numbing cream) with your doctor beforehand. Whether anesthesia is needed depends on the treatment and the medical institution. Because a fine needle is used to inject at several points, you may feel a brief pinprick of pain. With softer, spreading-type products, the feeling of pressure during injection is generally said to be relatively mild, though pain perception varies from person to person.

Tips for a smoother recovery

Risks and side effects (the honest version)

If a symptom lingers or gets worse, do not try to judge it yourself — contact the medical institution where you had the procedure.

Spacing and combining with other procedures

For a wedding, photo shoot, or other big day, it is safest to have the treatment at least 1–2 weeks beforehand so that any bruising has time to recover. If you are aiming for a change in skin quality, another approach is to start well in advance — around 2–3 months out — and complete several sessions (plan this with your doctor) A common approach is a series of sessions spaced a set interval apart, followed by maintenance as needed based on your skin's condition. The number of sessions and the spacing are adjusted by your doctor according to your skin

Combined procedureTimingWait timeReason
Botox Injection (botulinum toxin for wrinkles, etc.)Wait requiredSometimes done the same day, or spaced a few days apartBoth are injection treatments, which can make swelling and bruising harder to tell apart. Doing them on the same day requires precautions such as separating the injection areas, and whether and in what order to combine them is a matter for your doctor's judgment
Hyaluronic Acid Filler (volume shaping)Wait requiredSame day to a few days apart, depending on the goalThese treatments target different layers and different goals. They are sometimes done on the same day, but because the downtime overlaps, the order and spacing are decided with your doctor to manage bruising and swelling
Laser and light treatments (IPL, etc.)Wait requiredOften spaced about 2 weeks apartHeat-based treatments are generally said to be more irritating before the injected product has settled in, so it is considered safer to have them once things have calmed down. Ask your doctor about the timing
Chemical peels and hydro-type facial careWait requiredOften spaced 1–2 weeks apartThe skin tends to be more sensitive to irritation right after injections, so it is considered safer to wait until redness and any lumpy feeling have settled
Tightening treatments such as HIFU and radiofrequency (RF)Not recommendedOften spaced at least 2 weeks apartTreatments that deliver strong heat energy have been noted as potentially affecting the injected hyaluronic acid, so leaving an interval is the general practice. Ask your doctor about the order and whether the combination is appropriate

Who it may suit / who should be cautious

May suit you

  • People who want to improve their skin quality itself — dryness, loss of firmness, fine crepey lines, and the like
  • People aiming for natural hydration and glow rather than a major change in volume
  • People who want to keep downtime relatively mild
  • People who want to maintain their skin's condition with periodic maintenance

Consider carefully

  • People with an infection, significant inflammation, or a skin problem at the injection sites
  • People with an allergy to hyaluronic acid or its components
  • People who are pregnant or breastfeeding (the timing needs to be discussed with a doctor)
  • People with an important upcoming event — a wedding, photo shoot, or similar — where bruising would be unwelcome (the timing needs to be adjusted)
  • People seeking a strong, immediate, dramatic change (this treatment is aimed at improving overall skin quality)

Frequently asked questions

Will people notice if I see them the day after treatment?
The small bumps right after injection often become less noticeable within a few hours to about 2 days, and for many people things have settled by the next day. If bruising appears, however, it can linger faintly for about 1–2 weeks, in which case concealer usually covers it fairly naturally. Recovery varies from person to person.
How much does it hurt?
Because a fine needle is used to inject at several points, you may feel a brief pinprick of pain. With softer, spreading-type products, the pressure sensation is generally said to be relatively mild, though how it feels varies from person to person. If you are anxious about pain, you may be able to discuss options such as topical anesthesia (numbing cream) with your doctor.
How can I help the swelling and bruising settle faster?
The basic approach is to avoid alcohol, strenuous exercise, saunas, long baths, and other circulation-boosting activities for a few days after treatment. Keep the injected areas clean without massaging them firmly, and get plenty of sleep and fluids. If bruising appears, the usual approach is to cover it with makeup while waiting for it to fade naturally. How quickly you recover varies from person to person.
How many days off work will I need?
For desk work or light customer-facing roles, this is considered a relatively mild treatment that many people can return from the same day or the next day. Even if bruising appears, it can usually be hidden with makeup, so an extended break is rarely essential. That said, symptoms vary from person to person, so it is reassuring to build some buffer into your schedule.
I have a lump — is that OK?
Right after treatment, the area can feel firm until the product settles in, and it is generally said to soften gradually over a few days to about 1 week. Avoid massaging it firmly, as this could shift the product unevenly. If the lump is painful or red, or the firmness lasts a long time, consult the medical institution where you had the treatment.
How many sessions will I need?
A common approach is a series of sessions spaced a set interval apart, followed by maintenance as needed based on your skin's condition. The number of sessions and the spacing depend on your skin and your goals, and the right plan is a matter for your doctor's judgment. Decide together during your consultation.
What happens if I don't get the results I hoped for?
How noticeable the results are varies from person to person, and results are not guaranteed. If bumps persist or you notice asymmetry, discuss your progress with the medical institution that performed the treatment. In some cases an enzyme that dissolves hyaluronic acid can be used, but whether that is appropriate is a matter for your doctor's judgment.
Is there anything I should disclose or watch out for beforehand?
Tell your provider in advance if you take blood-thinning medications or supplements, have a history of allergies, or are pregnant or breastfeeding. It is also reassuring to book on a date when you can avoid plans such as drinking events or strenuous exercise. Confirm with a doctor during your pre-treatment consultation, including whether the treatment suits you.
This article was written and is kept up to date by our editorial team, based on general knowledge in cosmetic surgery and aesthetic dermatology, the package inserts of the products and medical devices involved, and publicly available information from government agencies and medical societies. It is not an advertisement for any specific medical institution. Editorial policy
This article is for general informational purposes only and is not an advertisement for any specific medical institution. All figures are typical guidelines; results and recovery vary from person to person. Please see a physician before making any final decision. The information on this site is provided for general informational purposes only and is not a substitute for diagnosis, treatment, or medical advice. Final decisions about a procedure's suitability, risks, combinations, and intervals must always be made after being examined by a physician.