Sunekos Injection: Downtime
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.
- Downtime at a glance
- Recovery timeline: treatment day to final result
- Common symptoms
- When can I do what? (Daily-life restrictions)
- Pain and anesthesia
- Tips for a smoother recovery
- Risks and side effects (the honest version)
- Spacing and combining with other procedures
- Who it may suit / who should be cautious
- Frequently asked questions
Downtime at a glance
Small bumps and redness at the injection sites are said to settle within a few hours to half a day, and any bruising typically fades within about 1–2 weeks for most people. Downtime is mild and easy to conceal with makeup (individual results vary).
Typical downtime is A few hours to about 1 week (about 1–2 weeks if bruising appears; varies by person), and most people feel comfortable being seen in public after Many people are said to return the same day or the next day (use concealer if bruising appears). 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
Small bumps, redness, and tiny needle marks appear at the injection sites. In thin-skinned areas such as around the eyes, bruising may start to show. Some people notice a puffy feeling, but strong swelling is generally said to be uncommon. Avoid rubbing the treated area; if it bothers you, gently cooling it with a clean cold pack is said to help it settle.
By this point, most of the bumps typically flatten and blend in. You may notice puffiness in the morning, but for many people it eases over the course of the day. If bruising has appeared, its color may become more distinct around this time. Many people are said to cover it with makeup and return to their usual routine.
For many people, redness and needle marks are barely noticeable by this stage. Bruises typically shift from blue-purple toward yellowish as they fade. Some people feel their skin becoming smoother to the touch, though how this feels varies from person to person.
Most symptoms have settled, and for many people any visible changes are hardly noticeable by this stage. Any remaining bruising is usually much fainter. If you are having a multi-session course, this can be around the time when the next session is typically scheduled.
For most people, visible changes — including bruising — have largely settled by this point. Some people begin to notice changes in firmness and texture, though whether and how much you notice varies from person to person.
With repeated sessions (generally said to be about 2–4 as a guideline), this is the period when people are said to be more likely to notice improved hydration and firmness. What you notice after each individual session varies from person to person.
After finishing the number of sessions your doctor recommends, changes in skin condition are said to be easier to notice. The results are not permanent, and regular maintenance sessions are generally used to help sustain them. What you notice, and how long it lasts, varies from person to person.
Bars show approximate swelling levels (individual results vary).
Common symptoms
| Symptom | Likelihood | When it appears | How long it lasts | Notes |
|---|---|---|---|---|
| Small raised bumps (wheals) at the injection sites | High | Immediately after treatment | A few hours to about half a day | These are temporary bumps that flatten as the injected product settles in, usually by the same day or the next day. Individual results vary. |
| Redness and tiny needle marks | High | Immediately after treatment | A few hours to 2–3 days | These pinpoint marks from a fine needle are usually mild enough to hide with makeup. |
| Bruising | Medium | Immediately after treatment to the next day | About 1–2 weeks | Thin-skinned areas such as around the eyes tend to bruise more easily. Bruises typically turn yellowish as they fade, though how they appear varies from person to person. |
| Mild swelling or puffiness | Medium | Treatment day to the next morning | About 1–3 days | The eye area in particular may feel puffy the next morning, but this is said to settle gradually. |
| Small firm spots felt when pressing (induration) | Low | Immediately after treatment to a few days later | A few days to about 1–2 weeks | These are said to become less noticeable in most cases as the product settles in. If they bother you or persist, consult your doctor. |
| Itching or stinging | Low | Treatment day | The same day to a few days | This is considered a temporary reaction to the injections. If it is strong or persists, consult your doctor. |
When can I do what? (Daily-life restrictions)
| Activity | Typically OK from | Key point |
|---|---|---|
| Makeup | From the next day (avoid makeup directly on the injection points on treatment day) | On treatment day, keep the injection sites clean and avoid rubbing them. From the next day onward, concealer is said to cover any bruising fairly easily. |
| Face washing | From the evening of treatment day (gently, without rubbing) | Wash gently with lukewarm water without scrubbing the injection sites. For the first few hours after treatment, avoid touching the area as much as possible. |
| Shower and bathing | Showers from the same day; soaking in the tub from the same day to the next day as a guideline | On treatment day, go easy on anything that strongly boosts circulation, such as long soaks in the bath, as it can aggravate bruising and swelling. |
| Alcohol | Avoid on treatment day; small amounts from the next day | Alcohol increases blood flow and can make swelling and bruising more likely. Avoiding it on treatment day is generally considered the safer choice. |
| Exercise | Light exercise from the next day; strenuous exercise from about 2–3 days later | Go easy on sweaty, strenuous exercise on treatment day. Increased circulation can prolong swelling and bruising. |
| Sauna and hot stone baths | From about 2–3 days later | Heavy sweating and heat can aggravate swelling and bruising, so it is considered safer to wait until symptoms have settled. |
| Contact lenses | OK from the same day (after eye-area treatment, avoid excessive touching when inserting or removing lenses) | After treatment around the eyes, take care not to rub the injection sites firmly when putting in or taking out your lenses. |
| Eyelash extensions | From a few days later as a guideline | Because lying face down and pressure around the eyes are best avoided, waiting until bruising and swelling have settled is generally considered safer. |
| Lying face down, firm pressure, and massage | Avoid on treatment day | On treatment day, avoid positions or massage that press on the treated area, so as not to interfere with the product settling in. |
Pain and anesthesia
The typical pain level is Mild. It is often said to be performed without anesthesia, but a topical numbing cream may be available depending on your preference and the treatment area. Please ask your doctor for details. The treatment involves multiple small injections with a fine needle, and the main sensation is said to be a brief pricking pain. Thin-skinned areas such as around the eyes tend to be somewhat more sensitive. Many people describe it as tolerable, though pain perception varies from person to person.
Tips for a smoother recovery
- On treatment day, keep the treated area clean and avoid rubbing or pressing it
- For the first day or two, avoid alcohol, strenuous exercise, long baths, saunas, and other activities that strongly boost circulation
- If you bruise easily, talk to your doctor in advance about how to handle blood-thinning medications, over-the-counter drugs, and supplements (such as certain painkillers and vitamin E)
- If you tend to swell, gently cool the area with a clean cold pack on treatment day (avoid over-cooling and firm pressure)
- Once the bruise color starts to settle, warming the body to encourage circulation is said to support recovery
- Scheduling the treatment at least 1–2 weeks before an important event leaves you time to manage any bruising comfortably
Risks and side effects (the honest version)
- Bruising, redness, or swelling may be stronger or last longer than expected (the thin-skinned eye area is particularly prone to bruising)
- You may feel temporary lumps, firmness, or unevenness at the injection sites
- In rare cases, infection, a strong allergic reaction (hypersensitivity to the ingredients), or skin problems caused by accidental injection into a blood vessel are said to be possible
- Results vary from person to person; you may not see the change you hoped for, or the effect may feel shorter-lived than expected
- The results are not permanent, and regular repeat sessions may be needed to maintain them
- If you are pregnant or breastfeeding, have certain medical conditions or a history of allergies, or take anticoagulant medication, you may not be able to have the treatment or may need extra caution. Always tell your doctor in advance and let them decide after an examination
Spacing and combining with other procedures
If you have a big occasion such as a wedding or photo shoot, allow at least 2 weeks beforehand in case bruising appears — and if you want to complete a full course first, it is advisable to plan ahead and start about 1–2 months in advance. A course of several sessions spaced about 2–4 weeks apart is often cited as the general guideline. The exact interval depends on the product and your skin condition, and is decided by your doctor.
| Combined procedure | Timing | Wait time | Reason |
|---|---|---|---|
| Botox Injection (for expression lines) | Same day OK | Same day possible at the doctor's discretion | Because they act on different areas and serve different goals, they can often be done on the same day, though they may be scheduled separately depending on overlapping injection sites or swelling. The final decision rests with your doctor. |
| Hyaluronic Acid Filler (for volume) | Same day OK | Same day to a few days, at the doctor's discretion | These injections serve different goals and are sometimes combined, but the areas or days may be separated to avoid concentrating bruising and swelling. The final decision rests with your doctor. |
| Laser and light treatments (photofacials, etc.) | Wait required | About 1–2 weeks | Applying heat to skin that has just been injected can increase swelling and bruising, so waiting until symptoms have settled is generally considered safer. Ask your doctor about the order and spacing. |
| Tightening treatments such as HIFU (High-Intensity Focused Ultrasound) or Radiofrequency (RF) | Wait required | About 2 weeks | Heat and ultrasound stimulation can add stress to freshly injected skin, so these are generally performed after the downtime has settled. |
| Needle-based surface treatments such as Microneedling (Dermapen) or Skin Boosters (Water Glow Injection) | Wait required | About 1–2 weeks | Layering repeated needle stimulation and injections on the same skin can intensify redness and bruising, so leaving an interval is considered safer. |
Who it may suit / who should be cautious
May suit you
- Those concerned about fine lines, texture, or loss of firmness around the eyes or across the face
- Those looking for an approach to skin quality rather than volume-adding injections
- Those who want to keep downtime on the milder side
- Those who find it hard to accommodate strong swelling or take extended time off
Consider carefully
- Those who are pregnant or breastfeeding
- Those with allergies to the injected ingredients or to hyaluronic acid
- Those with an infection, inflammation, or significant skin problems in the treatment area
- Those seeking to fundamentally correct deep wrinkles or structural sagging (a different type of treatment is considered more appropriate)
- Those right before a major event where bruising would be a serious problem and there is no time left to recover