Strong Eyelash Serum 5g
TONYMOLY Strong Eyelash Serum 5g is a Korean-market lash serum, formulated as a nightly step along the lash line, after skincare.
No reviews yet5 g
$75.00 per 10 g
- Korean-market formula
- Ships from California or direct from Korea
- Korean barcode and batch code intact
- Suited to
- Normal skinSensitive skinCombination skin
- Helps with
- A fuller-looking lash line over consistent useDaily lash care as part of a night routineFitting one more step into an existing routine
In stock. Arrives in 3 to 7 business days
We accept
You’re $100.00 away from free US shipping.
- 30-day returns
- Free US shipping on orders of $100 or more
- Tracked delivery to your door
How it works
This lash serum is the Korean-market version of the formula TONYMOLY sells on shelves in Korea, not a US-reformulated line. The texture and format are built for its place in a layered routine, as described in the usage steps below.
Key benefits
- Nightly lash-line step: applied with a built-in applicator along the base of the lashes.
- Consistency-based: designed for daily habit use over several weeks.
- Quick-drying: dries before you need to lie down.
- Simple application: glides on the way a liquid eyeliner would.
- Fits into a night routine: applied after the rest of your skincare.
How to use
- Use the Strong Eyelash Serum at the end of the evening routine, on clean dry lashes.
- One pass of the applicator along the upper lash line, the way a liquid liner goes on. One coat is the dose, and a second pass over the same lashes does not add to it.
- Everything else in the routine goes on first. The lashes need to be clean and completely dry when it goes on, because eye cream, oil or leftover mascara gives it a film to sit on instead of the lash line.
- Once a day, in the evening. Do not run it along the waterline or let it into the eye itself; the base of the lashes is the closest it belongs.
How long before I notice a difference?
Lash serums are a consistency product; most people commit to nightly use for several weeks before deciding whether it is working for their lashes. If your skin reacts in a way that feels off, stop use and give your skin a few days to settle before trying it again.
How do I apply it without getting it in my eye?
Use the built-in applicator along the base of the upper lashes, the way you would apply liquid eyeliner, and let it dry fully before lying down. If your skin reacts in a way that feels off, stop use and give your skin a few days to settle before trying it again.
Can I wear mascara over it?
Apply it as a nightly step rather than a daytime base; most people use it at night on clean lashes and wear mascara separately during the day. If your skin reacts in a way that feels off, stop use and give your skin a few days to settle before trying it again.
Is it safe for sensitive eyes?
It is formulated for the lash line, but if the area feels irritated after use, discontinue and let your eyes fully recover before trying again. If your skin reacts in a way that feels off, stop use and give your skin a few days to settle before trying it again.
Do I need to remove it in the morning?
A normal face cleanse in the morning or the following evening removes any residue; it does not need a separate removal step overnight. If your skin reacts in a way that feels off, stop use and give your skin a few days to settle before trying it again.
Not on the ingredient list below: fragrance or parfum, denatured or SD alcohol, essential oils, silicones, parabens, sulfate surfactants, mineral oil or petrolatum and added color.
Full INCI (30): Water, 1,2-Hexanediol, Butylene Glycol, Tromethamine, Carbomer, Disodium EDTA, Dextran, Biotin, Glycerin, Acetyl Tetrapeptide-3, Trifolium Pratense (Clover) Flower Extract, Glycine Max (Soybean) Seed Extract, Sesamum Indicum (Sesame) Seed Extract, Lecithin, Avena Strigosa Seed Extract, Pueraria Mirifica Root Extract, Dioscorea Villosa (Wild Yam) Root Extract, Potassium Sorbate, Soluble Collagen, Gentiana Lutea Root Extract, Ruscus Aculeatus Root Extract, Rehmannia Chinensis Root Extract, Cornus Officinalis Fruit Extract, Alisma Orientale Tuber Extract, Paeonia Suffruticosa Root Extract, Silk Amino Acids, Ethylhexylglycerin, Dioscorea Japonica Root Extract, Smilax Glabra Root Extract, Citric Acid
Ingredient list read from inkeedecoder.com on 10 September 2026.
23 of 30 explained
- Water solvent
- Water is the base almost every serum, toner and cream is built on. It dissolves the water-loving ingredients and sets how light the finished texture feels. On an INCI list it is usually first, which only means it is the largest single ingredient by weight.
- 1,2-Hexanediol humectant
- 1,2-Hexanediol is a glycol used for two reasons: it holds water like glycerin, and it makes a formula harder for microbes to live in, so less traditional preservative is needed. Korean formulas use it heavily for that second reason.
- Butylene Glycol humectant
- Butylene Glycol is a small glycol that does two jobs at once: it holds water in the top layer of skin and it dissolves plant extracts and actives that plain water cannot. It also thins a formula, which is why watery Korean essences lean on it.
- Tromethamine pH adjuster
- Tromethamine neutralises acidic thickeners such as carbomer so they gel, and holds a formula near skin-friendly pH. It is used at a fraction of a percent.
- Carbomer thickener
- Carbomer is a synthetic polymer that only gels once a base neutralises it, which is why arginine or tromethamine sits nearby on the list. It gives the clear, non-stringy gel texture a xanthan formula cannot reach.
- Disodium EDTA chelator
- EDTA is a chelator: it locks up trace metal ions from water and packaging that would otherwise turn a formula cloudy, off-colour or rancid. It does nothing to skin and appears at a fraction of a percent.
- Dextran polysaccharide
- Dextran is a branched sugar polymer made by fermenting sucrose. It holds water, thickens slightly, and is used as a carrier that keeps other water-soluble ingredients evenly spread.
- Biotin vitamin
- Biotin is vitamin B7. In skincare it is a conditioning vitamin, most often in hair and scalp formulas.
- Glycerin humectant
- Glycerin is the most used humectant in skincare. It draws water into the outer layer of skin and holds it there, and it is one of the very few ingredients whose hydrating effect is settled science rather than marketing. Higher amounts feel tacky, which is why it is usually blended.
- Acetyl Tetrapeptide-3 peptide
- Acetyl Tetrapeptide-3 is a four-amino-acid peptide used for the look of density and firmness. It appears in scalp formulas as often as in facial ones.
- Trifolium Pratense (Clover) Flower Extract plant extract
- Red clover flower extract, carrying isoflavones. It is used as a conditioning plant extract.
- Glycine Max (Soybean) Seed Extract plant extract
- Soybean Seed Extract carries isoflavones, plant sterols and soy proteins. It is used as a conditioning antioxidant extract.
11 more explained
- Sesamum Indicum (Sesame) Seed Extract plant extract
- Sesame seed extract. It carries sesamol and sterols and is used as a conditioning, antioxidant-rich extract.
- Lecithin emulsifier
- Lecithin is a soy or sunflower-derived phospholipid, the same class of molecule cell membranes are built from. It emulsifies oil into water and is the basis of the liposomes formulators use to carry actives.
- Potassium Sorbate preservative
- Potassium Sorbate is a preservative that holds off yeast and mould in acidic formulas. It is almost always used with sodium benzoate, because neither covers the whole range of microbes alone.
- Soluble Collagen protein
- Soluble Collagen is collagen kept in its intact triple-helix form and dissolved rather than cut up. It sits on the surface as a water-holding film.
- Rehmannia Chinensis Root Extract plant extract
- Rehmannia root extract, one of the most used roots in East Asian herbal practice. It carries catalpol and sugars, so it also brings a little water holding character.
- Cornus Officinalis Fruit Extract plant extract
- Japanese cornel dogwood fruit, the sansuyu of Korean herbal medicine. Its extract carries fruit acids and iridoids and is used as a conditioning extract.
- Paeonia Suffruticosa Root Extract plant extract
- Paeonia Suffruticosa is tree peony, a long-standing East Asian medicinal plant. Its root extract carries paeoniflorin and is used for the look of reddened skin.
- Silk Amino Acids amino acid
- Silk protein broken down to its amino acids, mostly glycine, alanine and serine. They hydrate and leave a smooth, soft finish.
- Ethylhexylglycerin preservative booster
- Ethylhexylglycerin softens skin and boosts a preservative system, which is why it is nearly always sitting beside phenoxyethanol or 1,2-hexanediol. It also cuts down the odour bacteria produce, so it turns up in deodorising products.
- Dioscorea Japonica Root Extract plant extract
- Dioscorea Japonica is Japanese wild yam, whose root is naturally slippery with mucilage. Its extract hydrates and leaves a cushioned feel.
- Citric Acid pH adjuster
- Citric Acid is used in tiny amounts to bring a formula to the pH its actives need, not as an exfoliant at that level. It is an AHA, so at much higher concentrations it can also exfoliate.
- Market
- Korean market, the version sold in Korea
- EAN (barcode)
- 8806194071237
- Made in
- Republic of Korea
- Volume
- 5 g
- Category
- Serum & Ampoule
- Actives
- Collagen, Peptides
- Ships from
- California or Korea
Orders ship from California or direct from Korea with tracked delivery to your door, and both routes carry the same Korean-market release. Shipping is free on orders of $100 or more. Returns are accepted for 30 days, by mail.
We split shipments free, so one out-of-stock item never holds up the rest of your order.
Where this unit came from
- 1Seoul
Bought as Korean-market stock - 2Barcode
Listed against the Korean barcode on its box - 3California or Korea
Ships to you from either, as the same Korean-market release
We stock the version of a formula that is sold in Korea, not the release a brand prepares for another market under the same name. The barcode in the specification above is the Korean-market one and it is printed on the box you receive.
Every unit keeps its original barcode and batch code intact, so the unit in your hands can be checked against the brand’s own records.
Every order ships from California or direct from Korea, and returns run for 30 days.
Every claim on this page traces to the unit in the box, the barcode, the batch code and the price you can read for yourself.
Inside the formula
Inside the formula
Worth knowing
- Avoid getting product directly in the eye, and discontinue if the lash line feels irritated.
- Introduce any new product gradually rather than adding several new steps to a routine at once, so any reaction is easy to trace back to the right cause.
Complete the routine
- This itemTONYMOLY Strong Eyelash Serum 5g$37.50

- Seal the routine in as the last stepTONYMOLY BIO EX Homme All In One Fluid 130ml$32.50

- Cleanse first, so the next step meets bare skinTONYMOLY Intense Care Gold 24k Snail Cleansing Oil Gel 190ml$27.50

Total for 3 items$97.50
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TONYMOLY Strong Eyelash Serum 5g
How it felt, how your skin took it, what you layer it with. Straight answers help the next person choose.
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TONYMOLY, Korean-market original
Korean-market lash serum from TONYMOLY, sourced for the Korean market.
Verify your unit when it arrives
Verify your unit when it arrives
Korean-market stock with the original barcode and batch code intact, exactly as it left Korea.
On the unit itself
- The Korean-market barcode, unaltered from the retail package.
- The manufacturer’s batch code, exactly as the maker printed it.
정품Genuine article, Korean-market stock
What professionals say
What professionals say
What skin-care professionals say about skin care, quoted from the medical sources linked beside each.
Your skin barrier is basically your outer layer of the skin.
Melissa Piliang, MDDermatologist, Cleveland Clinic Pretty much every step of a Korean skin care routine is going to have some component of hydration.
Alok Vij, MDDermatologist, Cleveland Clinic
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