Medical Treatments · Fillers & Injectables · IN Eternity Clinic
Forehead Filler in Singapore
Hyaluronic acid filler placed deep under the forehead to soften a flat, sloping or dented contour. This is one of the higher-risk areas for filler, so planning comes first.
Written & medically reviewed by Dr Sin Yong · 8 October 2026
Quick answer
- Hyaluronic acid filler placed deep under the forehead to soften a flat, sloping or dented contour. This is one of the higher-risk areas for filler, so planning comes first.
- Used for: Hollow Cheeks & Temples.
- Performed by: Dr Sin Yong at IN Eternity Clinic, 9 Scotts Road, Pacific Plaza (beside Orchard MRT).
- Enquire: SkinRev Lab, CityLink Mall (City Hall MRT) passes enquiries to the clinic, or contact IN Eternity Clinic directly on +65 8815 3008.
- Suitability, number of sessions and pricing are decided at consultation; individual results vary.
Forehead filler in Singapore uses hyaluronic acid (HA) filler to create a smoother, gently rounded forehead contour where the forehead is flat, sloping, uneven or dented. A softly convex forehead is a popular aesthetic in East Asia, and many people ask about it for this reason. It is not mainly a treatment for forehead lines; dynamic lines are usually better treated with wrinkle-relaxing injections.
The forehead is one of the areas where serious filler complications have been reported most often, because its arteries connect with the circulation around the eye. For that reason, forehead filler is a doctor-only procedure performed by Dr Sin Yong at IN Eternity Clinic, with careful assessment before anything is injected. A larger contour change is often built gently over more than one visit rather than placed all at once, which gives the tissue time to settle and keeps the volume in each session modest.
How it works
The mechanism,
in plain English
The forehead layers, from the surface down, are skin, subcutaneous fat, the frontalis muscle, the galea (a tough fibrous sheet), a loose areolar layer (the subgaleal space) and the periosteum over the bone. Filler for contouring is usually placed deep, in the subgaleal or supraperiosteal plane, often with a blunt cannula entered at a single point, then spread and moulded to a smooth curve. A soft-to-medium firmness HA gel that spreads evenly is commonly chosen.
Three main arteries supply the forehead: the supraorbital and supratrochlear arteries rising from above the eye socket, and the frontal branch of the superficial temporal artery from the side. Their paths vary, and they travel through different layers as they rise. Mapping them with Doppler ultrasound before treatment, staying in the correct deep plane, using a cannula, injecting slowly and in small amounts, and keeping hyaluronidase ready are the core safety steps.
“Forehead contouring is about shape in a deep layer; forehead lines from movement need a different treatment altogether.”
— Dr Sin Yong, IN Eternity Clinic
- Product
- Cross-linked HA filler with soft-to-medium firmness that spreads evenly
- Target layer
- Deep plane: subgaleal (loose areolar) or supraperiosteal, under the frontalis
- Typical session
- 45–60 minutes including assessment and numbing
- Downtime
- Swelling for several days, sometimes tracking down to the eyelids; bruising possible
- Key anatomy
- Supraorbital, supratrochlear and frontal branch of the superficial temporal arteries
- Performed by
- Dr Sin Yong, IN Eternity Clinic
Is it right for you
Who it suits,
and who it does not
Forehead filler usually suits adults with a flat, sloping or uneven forehead who want a softer, rounder profile, and people with small dents or depressions in the forehead contour. It can balance the upper face with the nose and chin. It suits people who understand that this is a higher-risk area and are comfortable with a careful, step-by-step approach.
Forehead filler is not advised during pregnancy or breastfeeding, over skin infection, or with a history of severe filler reactions. It is not the right treatment for dynamic forehead lines, which respond better to wrinkle-relaxing injections, or for a heavy brow. People who have had previous forehead filler or surgery in the area need ultrasound assessment first. A very large change in one session raises the risks and should be avoided.
What to expect
Consultation, session
and aftercare
At consultation, Dr Sin Yong assesses your forehead shape from the front and side, asks about previous filler, and explains the risks in plain terms. Where appropriate, vessels are mapped with ultrasound before treatment. On the day, the skin is cleaned thoroughly and a small entry point is numbed. Filler is placed slowly in the deep plane and gently moulded, and the shape is checked with you.
Expect swelling for several days. Because the forehead drains downwards, some puffiness can appear around the eyelids a day or two later and then settles. Avoid pressing or massaging the forehead, wearing tight headbands or caps, strenuous exercise and saunas for a few days. Increasing pain, skin turning pale, blotchy or dusky, or any change in vision is an emergency: contact the clinic straight away.
Where this happens
Assessment and non-invasive care — SkinRev Lab, CityLink Mall #B1-28, 1 Raffles Link, Singapore 039393. Underground from City Hall MRT and Esplanade MRT; a short walk from Raffles Place, Marina Bay, Suntec and Bugis. Open daily 11am–8pm.
Medical treatment — IN Eternity Clinic, 9 Scotts Road, #12-01 Pacific Plaza, Singapore 228210, beside Orchard MRT (three stops from City Hall on the North-South line). Mon–Sat 11am–8pm, closed Sunday. Treatments are performed by Dr Sin Yong. WhatsApp +65 8815 3008.
Enquiries to SkinRev Lab about medical treatments are passed to IN Eternity Clinic, where Dr Sin Yong performs them.
Clinic page: Forehead Filler at IN Eternity Clinic ↗
What the research says
The evidence,
with sources
A review of world literature on blindness from fillers found that the forehead was among the most frequently involved sites, after the nose and glabella, and that once vision loss occurred no treatment was consistently successful. This is why forehead filler is treated as a higher-risk procedure and why prevention, through anatomy knowledge and technique, matters more than any rescue treatment.
In a study of 34 Korean patients having forehead contouring with HA filler, Doppler ultrasound was used to trace the supraorbital, supratrochlear and frontal branch of the superficial temporal arteries in each layer before injection, with an average of 2.85 mL injected. All three vessels were successfully identified and avoided, and no arterial complications occurred. Asian expert recommendations similarly support ultrasound-guided HA placement in the forehead and temple, where vessel anatomy varies.
References
- Beleznay K, Carruthers JDA, Humphrey S, et al. Update on avoiding and treating blindness from fillers: a recent review of the world literature. Aesthet Surg J. 2019;39(6):662-674.
- Lee W, Kim TH, Yang EJ. Mapping high-risk arteries using Doppler ultrasound for forehead contouring in Korean patients. Dermatol Surg. 2024;50(11):1029-1033.
- Jung JY, Choi H, Han SC, et al. Recommendations on ultrasound-guided hyaluronic acid soft tissue augmentation of the upper face in Asians. J Cosmet Dermatol. 2025;24(1):e16759.
Common questions
Your questions,
answered
How much does forehead filler in Singapore cost?
Forehead contouring often needs more filler than smaller areas, but the amount depends on your starting shape and the change you want. Pricing is given at your consultation with Dr Sin Yong at IN Eternity Clinic, after assessment and, where appropriate, ultrasound mapping. SkinRev Lab does not inject fillers but can pass on your enquiry.
Is forehead filler in Singapore risky?
The forehead is one of the higher-risk areas for filler because its arteries connect with the circulation of the eye. Serious complications such as skin damage or vision loss are rare but have been reported. Deep-plane placement, a blunt cannula, slow injection, ultrasound mapping and immediate access to hyaluronidase are how that risk is reduced. A doctor should explain these risks clearly before treatment.
Will forehead filler remove my forehead lines?
Not usually. Lines that appear when you raise your eyebrows come from the frontalis muscle and respond better to wrinkle-relaxing injections. Forehead filler changes the shape and curve of the forehead. Some people benefit from both, but they treat different problems and are usually spaced apart.
Why is my eyelid puffy a day after forehead filler?
Swelling from the forehead can drift downwards with gravity and settle around the upper eyelids for a few days. This is common and usually resolves on its own. However, eyelid drooping, double vision, blurred vision or pain around the eye are not normal and need urgent assessment, so contact the clinic straight away if you notice them.
How long does forehead filler last?
It varies by product and area. The deep forehead plane is relatively protected, and HA can persist in tissue longer than it is visible. Rather than setting a fixed repeat interval, your forehead is reviewed at each visit and only treated again if it is needed.
Can forehead filler be dissolved?
Yes, HA filler can be broken down with the enzyme hyaluronidase. Ultrasound can help locate the filler precisely so the enzyme goes where it is needed. Dissolving can be done for shape concerns, lumps or migration, and urgently in the rare event of a vascular problem.
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