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KOREAN PHARMACY

Medicube

PDRN Pink One Day Serum

Medicube PDRN Pink One Day Serum is a Korean-market ampoule built around Niacinamide, formulated in Korea and sold here in its original Korean-market formula rather than a US-shelf reformulation.

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$20.99Comparable US listings run $21.00 (4 dated US observations, checked 10 September 2026)
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Suited to
normal skincombination skindry skin
Helps with
general upkeep alongside the rest of a routinea Korean-market alternative to a comparable US productsteady, repeated use rather than a single application

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How it works

Medicube PDRN Pink One Day Serum is an ampoule built for the treatment step right after toner. Its ingredient list leads with Niacinamide, Panthenol, and Adenosine, so the formula's stated purpose lines up with what actually sits near the top of that list rather than with a single marketing ingredient buried further down. Niacinamide does the most work here as a tone and texture, and the remaining actives round out the texture and finish rather than compete for attention. Placed as the treatment step right after toner, it is meant to be used AM/PM rather than swapped freely between steps. Because this is the Korean-market version of the PDRN Pink One Day Serum line rather than a US-reformulated variant, the texture and finish match what Medicube sells through Korean retail.

Key benefits

  • Built around Niacinamide, positioned for tone and texture.
  • Built around Panthenol, positioned for comfort.
  • Built around Adenosine, positioned for firming look.
  • Formulated as an ampoule for the treatment step right after toner.
  • The Korean-market Medicube formula for PDRN Pink One Day Serum, matching what Medicube sells in Korea rather than a US-reformulated line.

Key actives

NiacinamideTone and texture

Niacinamide sits near the top of the ingredient list, where the formula puts its heaviest-weighted ingredients. It is an ingredient chosen for tone and texture: a form of vitamin B3 that supports a more even-looking tone and a smoother surface texture with regular use, and layers comfortably under most other actives.

PanthenolComfort

Panthenol sits in the middle stretch of the ingredient list, a supporting rather than a headline role. It is an ingredient chosen for comfort: provitamin B5, a humectant and comfort ingredient that softens the finish and helps a formula feel less drying over repeated use.

AdenosineFirming look

Adenosine sits in the middle stretch of the ingredient list, a supporting rather than a headline role. It is an ingredient chosen for firming look: a nucleoside included for its reputation in smoothing the look of fine expression lines, one of the more established anti-aging ingredients in Korean formulation.

Sodium DNARegeneration support

Sodium DNA sits further down the ingredient list, in a supporting, lower-weighted role. It is an ingredient chosen for regeneration support: a salmon-derived DNA fragment ingredient that has become one of the signature actives in recent Korean formulation, chosen for its reputation supporting a plumper, more resilient-looking surface.

Sodium HyaluronateHydration

Sodium Hyaluronate sits further down the ingredient list, in a supporting, lower-weighted role. It is an ingredient chosen for hydration: a salt form of hyaluronic acid that draws and holds water at the skin's surface, leaving the finish plumper and less tight within minutes of use.

Medicube PDRN Pink One Day Serum

Medicube PDRN Pink One Day Serum

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How to use

  1. Use one vial in the evening after toner, in the place your serum would otherwise take.
  2. Snap the vial, use all of it across the face and neck, then throw the vial away.
  3. Press it in, then moisturizer over the top once it has stopped feeling wet.
  4. One vial per session rather than half a vial twice. Do not keep an opened vial for the next night.

Worth knowing

  • Patch test on the inner arm before the first full-face application, especially on skin that reacts easily to new products.
  • Stop use and rinse off if stinging, burning, or new redness shows up rather than pushing through discomfort.

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We’re on gram!

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Medicube, Korean-market original

Medicube's Korean-market ampoule led by Niacinamide, the same formula sold in Korea.

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.

Medicube prints a QR code on the inner box. Scan it with your phone camera and it resolves to the brand’s own verification site.

Verify on medicubeverify.com

Source: Medicube packaging and verification site

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.

  • Pantothenol is a common ingredient in skin care and hair products I recommend, particularly for people who are prone to dryness.

    Taylor Bullock, MDDermatology resident, Cleveland Clinic
  • Niacinamide helps reduce the appearance of pores in a few ways. By strengthening the skin barrier and improving elasticity, pores appear less noticeable and more even.

    Ashlyn YankeAesthetician, Cleveland Clinic
1 more professional perspective
  • It's still a very new ingredient in the field of regenerative medicine.

    Catherine ChangBeverly Hills board-certified plastic and reconstructive surgeon, Harper's Bazaar

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