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Free US shipping on orders of $100 or more. 100% authentic Korean-market formulas. Ships from our California warehouse, at your door in 3-5 days. Intact Korean batch codes on every unit.

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KOREAN PHARMACY

TONYMOLY 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.

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$37.50
  • Ships from our California warehouse
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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. Ships from our California warehouse, dispatched within 2 business days

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  • 30-day returns
  • Free US shipping on orders of $100 or more
  • Dispatched within 2 business days

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.

Key actives

Butylene Glycol

Butylene glycol is a common cosmetic humectant and solvent that helps the rest of the formula spread evenly and feel less tacky on skin. It sits early on the ingredient list, at position 4 of 31.

Biotin

Biotin is a conditioning vitamin ingredient included in this formula to support a stronger feeling finish with regular use. It sits early on the ingredient list, at position 9 of 31.

Acetyl Tetrapeptide-3

The named peptide here is a conditioning ingredient formulated in at a cosmetic level for a smoother, more supple surface feel with regular use. It sits early on the ingredient list, at position 11 of 31.

Soluble Collagen

Hydrolyzed collagen is a conditioning peptide ingredient included as a humectant and skin-feel enhancer rather than a way to add collagen back into the skin. It sits in the middle of the ingredient list, at position 20 of 31.

How to use

  1. Use the Strong Eyelash Serum at the end of the evening routine, on clean dry lashes.
  2. 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.
  3. 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.
  4. 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.

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TONYMOLY Strong Eyelash Serum 5g

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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.

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.

Reviews

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We’re on gram!

Creators trying on authentic Korean skincare routines and products from us.

  • Rating a shelf of Dr. Althea products one by one.

    Jasmine Loo · YouTube

  • Two hydrating serums side by side, IUNIK and Dr. Althea.

    Kristin · YouTube

  • A walk through the Dr. Althea serum lineup and who each one suits.

    auraofmahmuda · YouTube

  • A blunt first take on the Dr. Althea range.

    Lexi Chang · YouTube

  • A first look at the viral 345 Relief Cream before buying.

    Shelley Nayak · YouTube

  • A first try of the Dr. Althea serum on camera.

    Hannah Ziad · YouTube

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.

Match the batch code on the box against the code printed on the bottle or tube itself; the two are stamped separately and should agree.

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 the key actives in this formula, quoted from the medical sources linked beside each.

  • We find biotin to be very helpful for hair disorders. It also makes nails thicker, and oral biotin is exceedingly safe.

    Wilma Bergfeld, MDDermatologist, Cleveland Clinic
  • In skin, different peptides can encourage different things, from collagen formation to a reduction in inflammation to helping with wound healing depending on their structure.

    Whitney Hovenic, MDDouble board-certified dermatologist and Mohs surgeon, Women's Health
1 more professional perspective
  • Topical collagen is a very large molecule that's too big to absorb into the skin.

    Michelle Henry, MDDermatologist, Cosmopolitan

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