Is the Hyathenol Hydra Toner 150ml sold here the Korean-market formula, not a US reformulation?

Yes. This listing is the release Nature Republic sells for use inside Korea, the same formula Korean shoppers buy off the shelf there. A product with the same name can carry a different ingredient list or a different size in an export version, and we source and list only the Korean one, with that market's barcode and batch code intact on the unit that ships to you.

What is Niacinamide doing in this formula?

Niacinamide is the first ingredient of real substance on this product's own ingredient list, which puts it at the front of what the formula is built around rather than a trace addition. The rest of the list supports the texture and feel around it, in the concentration order the manufacturer itself declares.

Where does the Hyathenol Hydra Toner 150ml sit in a routine?

It occupies the toner step. Right after cleansing and before your first serum or ampoule, patted or swept over damp skin, morning and evening. Build a routine around the step you are replacing rather than the brand you recognize, since a handful of well-chosen steps tells you more about your skin than a shelf of unrelated products.

What size does the Hyathenol Hydra Toner 150ml ship in?

It ships at 150ml, the size Nature Republic sells this product at inside Korea. We do not substitute an export format or a US-only size for the Korean one, so what you receive matches what a shopper buys for it in Seoul.

How can I check that my Hyathenol Hydra Toner 150ml is genuine?

Nature Republic sells this exact release inside Korea, and the marker to check is the packaging itself: the Korean-market barcode and printed batch code stay intact on your unit rather than being swapped for an export label.

Nature Republic

Hyathenol Hydra Toner 150ml

Name: Nature Republic Hyathenol Hydra Toner 150ml
Brand: Nature Republic
SKU: 7191020980
Price: 27.5 USD
Availability: InStock

Nature Republic's Hyathenol Hydra Toner 150ml is a toner led by Niacinamide and Panthenol on its own ingredient list, 150ml, sold here as the Korean-market formula Nature Republic carries inside Korea rather than a US-shelf reformulation.

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$27.50

150 ml

$18.33 per 100 ml

Korean-market formula
Ships from California or direct from Korea
Korean barcode and batch code intact

Suited to: normal skindry skincombination skinsensitive skin

Helps with: uneven tone and visible poresa routine built around Korean-market formulasa first, low-commitment way to try the brand

One-time purchase

$27.50

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$24.75

In stock. Arrives in 3 to 7 business days

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Key benefits

Size: 150ml, the Korean-market fill Nature Republic sells inside Korea for this product.
Led by Niacinamide: it sits at the top of this product's own ingredient list, the clearest read of what the formula is built around.
Format: toner, dosed and textured for the toner step rather than a general-purpose step.
Routine slot: right after cleansing and before your first serum or ampoule, patted or swept over damp skin, morning and evening.
Sourcing: shipped with the Korean-market barcode and batch code intact.
Also on the list: Panthenol, one of the supporting ingredients behind the rest of the formula's texture and feel.

Key actives

3Niacinamide

Niacinamide sits on the list to even visible tone over time and support a smoother, more uniform-looking complexion, and it layers cleanly under most other actives without added grit or pilling.

All products with Niacinamide

5Panthenol

Panthenol, the stable form of vitamin B5, supports the look and feel of a comfortable, less tight skin barrier and helps a formula feel cushioned rather than thin on contact.

All products with Panthenol

9Squalane

Squalane is a lightweight, non-greasy emollient that mimics skin's own sebum, chosen in Korean formulas specifically because it sinks in without the heavy finish of a mineral oil.

15Sodium Hyaluronate

Sodium Hyaluronate draws and holds water at the skin's surface, plumping the look of fine dry lines and giving the rest of the formula something to hold onto as it settles in.

All products with Sodium Hyaluronate

17Adenosine

Adenosine is Korea's own approved wrinkle-care ingredient, included at a functional level to support skin's look of resilience and a smoother surface over consistent use.

All products with Adenosine

Inside the formula

Ingredients declared

#21

Fragrance on the list

3Niacinamide9Squalane15Sodium Hyaluronate

3Niacinamide
9Squalane
15Sodium Hyaluronate

Where each key active sits on the declared ingredient list, by entry number. Position is proportion: the further forward, the larger its share.

1 of 4

41 of 42 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.
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.
Niacinamide active: Niacinamide is vitamin B3, and it is the most studied active in Korean formulation. It is used at roughly 2 to 5 percent for the look of uneven tone and visible pores, and it is water soluble, stable and comfortable beside almost every other active, which is why it turns up in so many lists.
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.
Panthenol humectant: Panthenol is pro-vitamin B5: skin converts it to pantothenic acid. It is a humectant that holds water and leaves skin feeling soft and less tight, and it is one of the ingredients formulators reach for when a formula also contains something harsh.
Raffinose sugar: Raffinose is a three-unit plant sugar found in beans and beetroot. It holds water in the outer layer of skin and helps a formula stay comfortable as it dries down.
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.
Hydroxyacetophenone preservative booster: Hydroxyacetophenone is an antioxidant that also strengthens a preservative system, so a formula needs less traditional preservative. Korean formulas pair it with 1,2-hexanediol constantly.
Squalane emollient: Squalane is the stable, saturated version of squalene, a lipid human skin already makes. It is a light emollient that absorbs quickly, does not oxidise, and is one of the few oils widely considered safe for blemish-prone skin. Most cosmetic squalane is now from sugarcane or olive rather than shark.
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.
C12-14 Alketh-12 emulsifier: C12-14 Alketh-12 is a solubiliser used to keep oils and fragrance dissolved in a water-based formula.
Cetyl Ethylhexanoate emollient: Cetyl Ethylhexanoate is a synthetic ester used as a dry-feeling emollient. It spreads easily, leaves a silky rather than oily finish, and helps disperse pigments and UV filters evenly.

29 more explained

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.
Neopentyl Glycol Diheptanoate emollient: Neopentyl Glycol Diheptanoate is a light ester emollient chosen for a dry, powdery finish. It also disperses pigment evenly.
Sodium Hyaluronate humectant: Sodium Hyaluronate is the salt of hyaluronic acid, and it is what most products labelled hyaluronic actually contain. The salt dissolves more readily and the molecule is smaller, so it sits in the outer layer of skin rather than only on top of 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.
Adenosine active: 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.
Xanthan Gum thickener: Xanthan Gum is a polysaccharide made by fermenting sugar. It thickens a watery formula into a gel and holds the whole thing in suspension so nothing separates. Too much of it and a serum turns stringy, which is why it appears in fractions of a percent.
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.
Hydrogenated Phosphatidylcholine emulsifier: Hydrogenated Phosphatidylcholine is the stabilised form of the main lecithin phospholipid. It builds the liposome shells that hold an active together in a formula.
Fragrance fragrance: Fragrance, or Parfum, is a single declaration standing for a whole scent blend, which can be dozens of materials. Regulators allow it as a trade secret, so a list showing only this word does not say what the scent is made of. It is the most common trigger named by people with reactive skin.
Polyglyceryl-10 Myristate emulsifier: Polyglyceryl-10 Myristate is a mild sugar-derived emulsifier used to keep oil dispersed in a watery formula.
Pvm/Ma Copolymer film former: PVM/MA Copolymer is a film-forming polymer used to hold a formula in place and, in a mask, to give the peel-off film its strength.
Cetearyl Alcohol fatty alcohol: Cetearyl Alcohol is a waxy solid, not the drying kind of alcohol. It is a blend of cetyl and stearyl alcohols used to thicken a cream and keep oil and water from separating, and it softens skin as it does so.
Polyglyceryl-2 Stearate emulsifier: Polyglyceryl-2 Stearate is a plant-derived emulsifier used to stabilise creams with a light finish.
Carthamus Tinctorius Seed Oil emollient: Safflower seed oil, among the highest-linoleic plant oils. High-linoleic oils feel lighter and absorb faster than high-oleic ones.
Hibiscus Esculentus Fruit Extract plant extract: Hibiscus Esculentus is okra, whose fruit is thick with mucilage. Its extract hydrates and gives a cushioned, slippery feel.
Hydrogenated Lecithin emulsifier: Hydrogenated Lecithin is lecithin with its unsaturated bonds filled in, which makes it far more stable. It emulsifies and is the standard shell for the liposomes that carry actives into the outer layer of skin.
Oenothera Biennis Oil emollient: Evening primrose oil, the main plant source of gamma-linolenic acid. It absorbs fast and oxidises fast, so formulas pair it with an antioxidant.
Palmitic Acid fatty acid: Palmitic Acid is a saturated fatty acid present in skin's own lipids. It thickens a formula, stabilises the emulsion and softens skin.
Stearic Acid fatty acid: Stearic Acid is a saturated fatty acid from plant fats, and one of the three lipid classes skin's own barrier is built from. In a formula it thickens, stabilises the emulsion and can be turned into a soap-style cleanser by adding a base.
Ceramide NP barrier lipid: Ceramide NP is the most used cosmetic ceramide, the same class of lipid that makes up roughly half the mortar between cells in the outer layer of skin. Added to a cream it slots into that structure, which is why ceramide formulas feel less leaky rather than merely greasy.
Centella Asiatica Extract plant extract: Centella Asiatica is the plant behind the whole cica category, sold as gotu kola or Madagascar centella. Its extract is the anchor of Korean formulas built for easily reddened skin, and its work is done by four triterpenes: asiaticoside, madecassoside, asiatic acid and madecassic acid.
Ficus Carica Fruit Extract plant extract: Fig Fruit Extract carries fruit sugars, mild acids and a protein-digesting enzyme. It is used as a hydrating extract with a light smoothing effect.
Chamomilla Recutita Flower Extract plant extract: Chamomile Flower Extract is one of the oldest ingredients in skincare, carrying bisabolol and chamazulene. It is used for the look of redness in formulas for reactive skin.
Hydrolyzed Vegetable Protein protein: Hydrolyzed Vegetable Protein is plant protein cut into water-soluble fragments. It forms a light conditioning film that holds water at the surface.
Maltodextrin film former: Maltodextrin is a starch-derived sugar chain used to carry powdered extracts and to form a light film. It also gives a soft, smoothing feel.
Polyquaternium-51 film former: Polyquaternium-51 is a polymer, sometimes sold as Lipidure, built on the same phosphorylcholine structure as a cell membrane. It holds water in a film on the surface and gives a distinctive soft, dry finish.
Myristic Acid fatty acid: Myristic Acid is a saturated fatty acid used to thicken and, with a base added, to build the foam in a soap-style cleanser.
Sodium Acetate pH adjuster: The sodium salt of acetic acid. Paired with the acid itself it buffers a formula, holding the pH steady as other ingredients shift it.
Dipeptide-2 peptide: Dipeptide-2 is a two-amino-acid peptide used mainly in eye formulas, for the look of puffiness rather than of lines.

How it works

This toner opens its ingredient list with Niacinamide, ahead of the rest of the formula, which is the clearest sign of what it is built around. Panthenol follows further down the list, part of the supporting cast rather than the headline. Squalane follows further down the list, part of the supporting cast rather than the headline. That order is why Nature Republic positions Hyathenol Hydra Toner 150ml as a toner rather than a general moisturizer or cleanser: the concentration and format are built for the toner step, not for every step in a routine. It belongs in the toner step, right after cleansing and before your first serum or ampoule, patted or swept over damp skin, morning and evening.

How to use

Use it as the toner step, right after cleansing and before your first serum or ampoule, patted or swept over damp skin, morning and evening.

Worth knowing

Patch test on the inner arm before a first full-face application, as with any new skincare product.
Introduce it into a routine one product at a time so any reaction can be traced to the right cause.

Complete the routine

This itemNature Republic Hyathenol Hydra Toner 150ml$27.50
From the same Korean-market lineNature Republic Argan Essential Deep Care Essence 80ml$20.00
Prep after cleansing, before the treatment stepNature Republic Real Squeeze Aloe Vera Toner 150ml$22.50

Total for 3 items$70.00

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Nature Republic Hyathenol Hydra Toner 150ml

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Nature Republic, Korean-market original

Niacinamide-led Korean-market toner from Nature Republic, with the Korean barcode intact.

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 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
Squalane comes from a lipid that occurs naturally in your skin.
Alok Vij, MDDermatologist, Cleveland Clinic

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