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KOREAN PHARMACY

COSRX

5 PDRN B5 Vital Soothing Toner (80 mL / 2.71 fl oz)

COSRX's 5 PDRN B5 Vital Soothing Toner is an 80ml toner carrying B5 in both forms, panthenol thirteenth and pantothenic acid itself further down, with niacinamide fourth, sodium DNA tenth, hydrolyzed DNA, alpha-arbutin and a run of hyaluronic acid forms. Swept on or pressed in after cleansing.

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$16.99
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Suited to
Dehydrated skinSensitive skinSkin that has lost bounceDull, uneven tone
Helps with
Shoppers looking for Sodium DNA in a tonerRoutines that want Sodium DNA and Niacinamide in one stepFilling the toner step with a Korean-market formula

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How it works

The 5 PDRN B5 Vital Soothing Toner is a 80ml toner, used straight after cleansing, morning and evening, while the face is still damp. The active it is built around is Sodium DNA, named tenth on its own ingredient list. The same list carries Niacinamide, Adenosine and Allantoin, so the active is not the only thing on it worth naming. How much of the Sodium DNA stays on the skin, and for how long, is decided by the toner format rather than by the list alone. COSRX sells this Sodium DNA toner in Korea, and this is that version.

Key benefits

  • Sodium DNA, the active this toner is built around
  • Niacinamide, Adenosine, Allantoin and Alpha-Arbutin on the same list, actives
  • Hydrolyzed DNA and Acetyl Hexapeptide-8 further down the same list
  • Pantothenic Acid and Lactobacillus Ferment further down the same list
  • Sodium DNA named tenth on the manufacturer list printed on this page

Key actives

Sodium DNAactive

Sodium DNA is the salt of DNA, in Korean skincare almost always salmon derived, and it is the ingredient behind the PDRN category. It is used as a humectant and for the look of tired skin; the fragments themselves are what the name PDRN refers to. It is the entry this toner is named after, and the list carries it.

Niacinamideactive

Niacinamide is vitamin B3, and it is the most studied active in Korean formulation. It is named fourth on this toner's list, alongside Sodium DNA.

Adenosineactive

Adenosine is a nucleoside that Korea's own cosmetic authority recognises as a wrinkle-care functional ingredient, which is why it appears on so many Korean lists at a low level. It is used for the look of fine lines and is stable and well tolerated. The panel names it fifteenth on this toner's list, beside Sodium DNA.

Allantoinactive

Allantoin is a comfrey-derived compound used to condition skin and soften the outer layer so it feels smoother. It is one of the standard additions to a formula built for easily irritated skin. It is named eighteenth on this toner's list, alongside Sodium DNA.

Alpha-Arbutinactive

Alpha-Arbutin is a plant-derived compound, related to the sugar-bound form found in bearberry, used for the look of dark spots and uneven tone. It is stable in water and works at skin-friendly pH. The panel names it twenty-second on this toner's list, beside Sodium DNA.

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COSRX 5 PDRN B5 Vital Soothing Toner (80 mL / 2.71 fl oz)

COSRX 5 PDRN B5 Vital Soothing Toner (80 mL / 2.71 fl oz)

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How to use

  1. Use the 5 PDRN B5 Vital Soothing Toner straight after cleansing, morning and evening, while the face is still damp.
  2. Pour a coin-sized pool into your palms and press it over the face in two passes rather than dragging a cotton pad around.
  3. It goes before serum and moisturizer, and the damp layer it leaves is what the step above it holds on to.
  4. Twice a day, every day. Do not let it dry down completely before the next layer goes on, or you lose the reason for applying it to damp skin.

Worth knowing

  • Patch test this toner on a small area and wait a day before using it more widely, especially with Sodium DNA on the list.
  • Introduce this toner on its own for the first week, so anything your skin does is traceable to the Sodium DNA rather than to three changes at once.

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We’re on gram!

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

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COSRX, Korean-market original

The Original Korean Formula toner from COSRX, 80ml formulated with Sodium DNA and Niacinamide, held in the United States and shipped domestically.

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.

COSRX verifies units itself. Find the verification page on cosrx.com and enter the batch number and expiration date printed on your unit. Read them off the package rather than from us, which is the point.

Source: COSRX FAQ

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.

  • Allantoin can tone down the dryness of the individual cells. It increases the water content of the skin, which means it helps to hydrate and moisturize.

    Wilma Bergfeld, MDDermatologist, Cleveland Clinic
  • 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
1 more professional perspective
  • 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

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