US
Cosrx

COSRX Pure Sodium Hyaluronic Acid 3% Serum

  • 100 ml drop-form serum
  • Hydrating and rejuvenating, wrinkles addressed
  • All skin types and tones
  • Unscented, fragrance free
  • Natural feature listed

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

Our verdict

A fragrance-free hyaluronic acid serum in a large bottle for hydration and wrinkles on any skin type. The listing gives no strength or directions.

As an Amazon Associate I earn from qualifying purchases. ProductDome earns a commission when you buy through links on this page.

ASIN: B09ZYCVH8NCategory: Skin Care Serums

Overview

Hydrating the face with a drop-form serum is the aim here, with hyaluronic acid in the name. The serum is listed for rejuvenating and wrinkles and is unscented. It suits all skin types and tones.

A large bottle of simple hydrating serum, free of scent. The listing does not state the hyaluronic acid strength or other ingredients, so the formula is hard to judge. It is a serum, so a moisturizer still follows.

Who it's for

People who want a plain hydrating serum for any skin type, in a big bottle, will find it fits. Buyers who need documented concentrations should look for a product that lists them.

Pros and cons

Pros
  • Hyaluronic acid serum
  • Suits all skin types and tones
  • Natural feature listed
Cons
  • Ingredient list not provided
  • Strength not listed
  • Directions not listed
  • Needs a moisturizer on top

Performance notes

A hyaluronic acid serum draws water into the top layer of skin, which plumps lines for a while. It works best on damp skin and under a moisturizer that holds the water in. Visible results come from steady use rather than a single application.

Specifications

BrandCosrx
Dimensions & fit
Size100 millilitershigher than 90% of 169 skin care serums
Other details
Skin TypeAll
BenefitsRejuvenating
Item FormDrop
ScentUnscented
FeaturesNatural
Skin ToneAll
AddressesHydrating, wrinkles
Free OfFragrance free

Closest rivals on specs

Compare all side by side

Frequently asked questions

Is the Cosrx Hyaluronic Acid Serum suitable for sensitive skin?

The skin type is listed as all and the serum is fragrance free. Sensitive skin is not named separately.

Does the Cosrx Hyaluronic Acid Serum have a scent?

No. It is listed as unscented and fragrance free.

How big is the Cosrx Hyaluronic Acid Serum?

The listing gives 100 ml.

What form is the Cosrx Hyaluronic Acid Serum?

The item form is drop, so it is a liquid serum.