How people get it: Injected by a trained clinician at dermatology offices and med spas. Results usually last from several months to about two years.
The basics
What it is
- The FDA says dermal fillers go by several names, including wrinkle fillers and lip and facial fillers.
- A review of studies says hyaluronic acid fillers are widely used in aesthetic medicine.
- The FDA says some dermal fillers are naturally absorbed over time.
Sources: FDA: Dermal Fillers (Soft Tissue Fillers) ↗ · PubMed abstract ↗
What people use it for
- The FDA has approved absorbable fillers for moderate to severe facial wrinkles and skin folds.
- Fillers are also approved to add volume to the lips, cheeks, chin, and back of the hand.
- They are also approved to correct signs of facial fat loss in people with HIV.
What the research has found so far
- A review of studies on fillers under the eyes found patient satisfaction was high, with effects lasting 8 to 12 months.
- A review of studies concluded hyaluronic acid fillers are generally safe and effective, with mostly short-lived, mild to moderate side effects.
- A review of studies found severe adverse events were rare.
Sources: PubMed abstract: Dermal Fillers for Tear Trough Rejuvenation: A Systematic Review. ↗ · PubMed abstract ↗
On Hyaluronic acid fillers and aging, PubMed lists 196 trials in people, 233 studies that watched people over time, 15 animal and lab studies. See the counts and searches
Stage 4 because it is FDA-approved (absorbable dermal fillers) for moderate to severe facial wrinkles and skin folds. See the source ↗
A stage shows how far research has got, not whether it will work for you. How stages work
Side effects and risks
- The FDA lists common risks as bruising, redness, swelling, pain, tenderness, itching, and rash.
- The FDA says injection into the back of the hand can make activities difficult.
- The FDA says some side effects may appear weeks, months, or years after injection.
- A review of under-eye filler studies found mild side effects including bruising, swelling, blue-gray skin color, and uneven contours.
Sources: FDA: Dermal Fillers (Soft Tissue Fillers) ↗ · PubMed abstract: Dermal Fillers for Tear Trough Rejuvenation: A Systematic Review. ↗
Who should be careful, and drug interactions
- The FDA says safety is unknown during pregnancy, breast feeding, and under age 22.
- The FDA says safety is unknown in people prone to excessive scarring.
- The FDA says safe use with Botox-type products or other treatments has not been studied in a controlled clinical study.
- The FDA says safety of repeated long-term use has not been studied in a controlled clinical study.
- The FDA lists bleeding disorders as a condition to tell a provider about before the procedure.
- The FDA says some fillers contain hyaluronic acid made by bacterial fermentation, which matters for people allergic to bacteria.
- The FDA says some fillers contain lidocaine, which matters for people allergic to local anesthetic.
- The FDA says people with severe allergies or past anaphylaxis should tell their provider.
- The FDA says people with hand joint, tendon, or blood vessel disease should tell their provider when considering hand filler.
- The FDA says removing fillers may be difficult or impossible, especially permanent fillers or those not made of hyaluronic acid.
Approval and legal status
The FDA says it has approved dermal fillers for adults 22 and older for specific uses. The FDA says it has not approved any dermal fillers for over-the-counter use. The FDA says needle-free devices are not approved for injecting dermal fillers. The FDA says it has not approved filler use for increasing breast or buttock size. The FDA says injectable silicone is not approved for any aesthetic procedure.
What to expect: sessions, results and recovery
- The FDA says patients may need to repeat the procedure over time to keep the effect.
- The FDA says how long the effect lasts depends on the filler material and the injection area.
- A review of under-eye studies found topical numbing was most commonly used.
- The FDA says most swelling and bruising happens soon after injection and many resolve in days to weeks.
Sources: FDA: Dermal Fillers (Soft Tissue Fillers) ↗ · PubMed abstract: Dermal Fillers for Tear Trough Rejuvenation: A Systematic Review. ↗
Roughly what it costs
We don't have prices for this yet.
Questions to ask your doctor
- Is Hyaluronic acid fillers a sensible option for me, given my health and the medicines I take?
- Could Hyaluronic acid fillers interact with any medicine or supplement I already take?
- What side effects should I watch for, and when should I stop or call you?
- How would we tell whether it is helping, and when should we review it?
This is general information gathered from the sources listed, not medical advice. Talk to your doctor before starting anything new.
What experts say
No expert views collected yet. Each one we add names the person and links to where they said it.
What others are writing
Recent articles about Hyaluronic acid fillers from health journalists, hospitals and universities. We link to them; we don't write or endorse them.
Dissolving Lip Filler: How It Works & What To Expect ↗
“Dissolving lip filler can reduce the effects of dermal lip fillers made of hyaluronic acid. This will make your lips return to the way they looked before you got lip fillers.”
The article explains that hyaluronidase enzyme injections can dissolve hyaluronic acid lip fillers, reversing their effects.
Disastrous cerebral and ocular vascular complications after cosmetic facial filler injections: a retrospective case series study ↗
“Kapoor, K. M. et al. Vision loss associated with hyaluronic acid fillers: a systematic review of literature.”
The study describes rare but severe brain and eye blood vessel complications after cosmetic facial filler injections.
Recent research
New studies that mention Hyaluronic acid fillers appear here after the morning update.
Trials
None of the registered trials of Hyaluronic acid fillers is one we have linked as aging-related yet.
ClinicalTrials.gov lists 176 registered trials that mention Hyaluronic acid fillers, for any condition (the count in The science below). Here we show the ones about aging. See them all ↗
The science
Counted from PubMed and ClinicalTrials.gov on Oct 17, 2026, using one search for Hyaluronic acid fillers in relation to aging. Each link opens the exact search.
- Randomized trials in people
- 161 search ↗
- Large trials (multicenter or phase 3)
- 67 search ↗
- Phase 3 trials
- 2 search ↗
- Trials in people
- 196 search ↗
- Studies that watched people over time
- 233 search ↗
- Animal and lab studies
- 15 search ↗
- Registered trials
- 176 search ↗
PubMed search used
("hyaluronic acid filler*"[tiab] OR "hyaluronic acid dermal filler*"[tiab] OR "hyaluronic acid gel*"[tiab] OR "hyaluronic acid injection*"[tiab] OR "HA filler*"[tiab] OR "cross-linked hyaluronic acid"[tiab]) AND (wrinkle*[tiab] OR "nasolabial fold*"[tiab] OR "perioral line*"[tiab] OR "marionette line*"[tiab] OR "volume loss"[tiab] OR "midface volume"[tiab] OR "lip augmentation"[tiab] OR rejuvenation[tiab] OR photoaging[tiab] OR "skin aging"[tiab] OR "skin ageing"[tiab] OR photodamage[tiab] OR "Skin Aging"[mh])
Counts are search results, so they include some records that only mention Hyaluronic acid fillers. How we count
Cite or share this page
Longevity Verdict. (n.d.). Hyaluronic acid fillers: Research stage and evidence. Retrieved October 17, 2026, from https://longevityverdict.com/treatments/hyaluronic-acid-fillers
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The badge shows this treatment's current research stage and links back here. It updates by itself when the stage changes.
