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Secret Key

SECRETKEY Starting Care Essence Toner 155 ml

  • 155 ml (5.24 fl oz) bottle
  • Galactomyces ferment filtrate with adenosine
  • Hydrating essence for uneven skin tone
  • Korean skin care toner, in the title

Last refreshed Aug 4, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.

Our verdict

A fermented essence toner for a Korean skin care routine that wants hydration and a more even tone. The listing has no bullets, so skin type and directions are not stated.

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ASIN: B073P7CC78Category: Facial Toners

Overview

A bathroom shelf in a layered Korean routine is where this essence toner lives, applied after cleansing. Its main listed ingredients are galactomyces ferment filtrate and adenosine, aimed at radiance and tone.

Fermented filtrate is the reason people pick up this style of essence, and the title ties it to a radiant look. The limit is data: the listing offers no skin type, scent or ingredient list.

Who it's for

People building a Korean-style routine who want an essence after cleansing. It is not described as an exfoliant, so someone after chemical peeling should look at another type of toner.

Pros and cons

Pros
  • Galactomyces ferment filtrate
  • Hydrating essence format
  • Large 155 ml bottle
Cons
  • Skin type not listed
  • Scent not listed
  • Directions not listed
  • Not an exfoliating toner

Performance notes

Essence toners are thin liquids meant to be pressed into skin and layered under serum and cream. Galactomyces ferment filtrate is used for hydration and a smoother look, and adenosine is a skin-conditioning ingredient. Results with uneven tone build over weeks of steady use and depend on sun protection.

Specifications

BrandSecret Key
Dimensions & fit
Product dimensions3 x 2 x 0.2 inches
Capacity & performance
Item Volume155 milliliters (5.24 fl oz)
Other details
Active IngredientsGalactomyces ferment filtrate, adenosine
Product BenefitsHydrating, helps improve uneven skin tone
Is Discontinued By ManufacturerNo
Item Model NumberSKC-START-155ML

Frequently asked questions

Is Secret Key Starting Care Essence a toner or a serum?

The listing calls it an essence toner with a hydrating role. It is not described as a serum or an exfoliant.

What does the Starting Care Essence Toner help with?

The title says it helps improve uneven skin tone and gives radiance.

Is it discontinued?

The listing says it is not discontinued by the manufacturer.

What size is the bottle?

The title lists 5.24 fl oz, which is 155 ml.