US
coeternal

Refreshing Hydration Toner

  • Toner
  • 5.1 fl oz
  • All
  • 1
4.6/ 5 on Amazon101Amazon ratings3.8ProductDome score
Medium confidenceLast refreshed Aug 4, 2026Amazon data + ProductDome analysis · methodology
Best forYou want an unscented, hydrating toner to layer early in a Korean-style routine on dry or oily skin

A fragrance-free hydrating toner suited to layering before serum, built on hyaluronic acid and algae extract rather than alcohol or acids.

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ProductDome scorecard

How it ranks among the 452 toners we track

3.8/ 5ProductDome scoreMedium confidence
Owner satisfaction · 56% of scorecategory median 4.6★4.6

4.6★ across 101 Amazon ratings, Bayesian-smoothed toward the category average.

Evidence strength · 17% of scorecategory median 337 ratings2.5

101 Amazon ratings, weighted on a log scale so huge counts don't drown everything.

Buyer demand · 11% of score1.5

Modest tracked demand last month.

Data quality · 11% of score3.8

Brand identity, imagery, description and spec coverage.

The ProductDome score is separate from the Amazon rating shown above: it combines the Bayesian-smoothed Amazon rating with evidence volume, tracked demand, and data quality across the 452 toners we track - how the scorecard works · full toners data report. Confidence: medium - useful but incomplete evidence.Last refreshed Aug 4, 2026. Data-computed, not a hands-on test. Compiled by the ProductDome Research Team.

Overview

A Korean-style hydration toner from coeternal built around hyaluronic acid and Algae11 extract, meant to sit early in a glass-skin routine. The unscented, fragrance-free formula is positioned for both dry and oily skin types.

Toner is often the step people skip, but this one is formulated to hydrate rather than strip, which matters if your routine already includes actives that dry the skin. It carries no added scent, which keeps it usable on reactive or oily-sensitive skin where fragrance can trigger irritation. At 150ml it is sized to last through a daily two-step layering habit rather than as a single trial size.

  • 150ml / 5.07 fl oz bottle
  • Hyaluronic acid (sodium hyaluronate) plus Algae11 extract
  • Unscented and fragrance-free formula
  • Formulated for both dry and oily skin

Who it's for

Suits anyone building a multi-step Korean skincare routine who wants a hydrating first layer rather than an exfoliating or astringent toner. Works for dry skin needing moisture and oily skin needing a lightweight, non-stripping step. Not the pick for someone specifically after pore-clearing or acid exfoliation.

Strengths and trade-offs

Drawn from this product's published specifications.

What stands out
  • Fragrance free and hypoallergenic formula
  • Hydrating actives suited to dry or oily skin
  • 150ml bottle sized for daily two-step layering
What to check first
  • No exfoliating or pore-clearing action
  • No published pH or usage-order guidance

Performance notes

Sodium hyaluronate and Algae11 extract are the ingredients doing the work here, both included to draw and hold moisture at the skin surface. The formula skips fragrance and common irritants, which is why it is marketed as suitable for both dry and oily skin rather than one skin type.

Specifications

Brandcoeternal
Dimensions & fit
Item Weight5.3 ounces
Capacity & performance
Item Volume5.1 fl oz
Construction & materials
Material FeaturesFragrance Free, Hypoallergenic, Unscented
Included components
Unit Count5.1 fl oz
Other details
Skin TypeAll
Number Of Items1
Scent NameUnscented
Active IngredientsAlgae Extract, Arginine, Sodium Hyaluronate
Recommended Uses For ProductDry Skin, Oily Skin
AsinB0G2Y8TYXF
Customer Reviews{'ratings_count': '101', 'stars': '4.6'}
Best Sellers Rank#46,798 in Beauty & Personal Care (See Top 100 in Beauty & Personal Care) #297 in Facial Toners & Astringents
ManufacturerGreencos
Product BenefitsHydrating, Moisturizing
Item FormLiquid

How it compares

This product against the closest alternatives we track in toners.

ProductAmazon ratingRatingsProductDome score
Refreshing Hydration TonerThis product4.6 / 51013.8 / 5
Glow Recipe PHA + BHA Face TonerGlow Recipe4.6 / 58,7764.6 / 5
Beauty of Joseon Ginseng Essence Water Hydrating Face Toner for DryBeauty of Joseon4.6 / 56,5564.6 / 5
T.N. Dickinson's Witch Hazel Alcohol Free Moisturizing AstringentT.N. Dickinson's4.8 / 58,0444.4 / 5
THAYERS Milky Face Toner Skin Care with Snow Mushroom Tremella and Hyaluronic Acid4.7 / 56,4054.4 / 5
Frequently asked

Questions about the coeternal toners

Common buyer questions answered straight from the product spec data - no fluff, no "it depends".

What skin types is the coeternal Refreshing Hydration Toner made for?

The listing covers all skin types, with the brand specifically calling out both dry and oily skin as suited to the formula.

Is this toner scented?

No. It is listed as unscented and fragrance free, with hypoallergenic positioning.

What are the main active ingredients?

Algae extract, arginine and sodium hyaluronate (hyaluronic acid) are listed as the active ingredients.