ProtoClinical k-beauty COSRX Hydrium Triple Hyaluronic Moisture Ampoule 40ml single upright pale blue ampoule bottle centered on a white background
ProtoClinical k-beauty COSRX Hydrium Triple Hyaluronic Moisture Ampoule 40ml single upright pale blue ampoule bottle centered on a white background
COSRX

COSRX Hydrium Triple Hyaluronic Moisture Ampoule 40ml

$20.96
Deeply replenishes dry skin Helps skin feel plumper Softens dehydration lines Builds moisture without grease Leaves a supple finish
FEATURES: A viscous moisturizing serum that leaves skin supple and moisturized to provide deep hydration for dry, dehydrated skin types KEY INGREDIENTS: Charge moisture deep into the skin with three types of hyaluronic acids. High molecular weight hyaluronic acid creates an invisible protective barrier on the skin and...
A cushiony moisture ampoule that gives dry skin bounce without a greasy afterfeel.
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Triple Hyaluronic Ampoule Deep Moisture Care Non-Greasy Finish
hyaluronic acid triple hyaluronic complex
COSRX Hydrium Triple Hyaluronic Moisture Ampoule 40ml
COSRX Hydrium Triple Hyaluronic Moisture Ampoule 40ml Default Title
$20.96
Clinically proven actives Dermatologist tested 100% authentic Korean Cruelty-free
What's inside ·

hyaluronic acid, the repair molecule

Hyaluronic acid is a glycosaminoglycan naturally present in the dermis. When applied topically, low-molecular-weight HA penetrates beyond the surface to bind water molecules between skin cells, creating a reservoir effect that keeps skin plump from within. In this ampoule, Hyaluronic Acid targets dehydration, delivering delivers deep, lasting hydration that keeps skin plump throughout the day with consistent use.
Hyaluronic Acid
draws and locks moisture deep within the skin, holding up to 1000x its weight in water
The texture

Lightweight, concentrated ampoule


  • FEATURES: A viscous moisturizing serum that leaves skin supple and moisturized to provide deep hydration for dry, dehydrated skin types
  • KEY INGREDIENTS: Charge moisture deep into the skin with three types of hyaluronic acids. High molecular weight hyaluronic acid creates an invisible protective barrier on the skin and keeps your skin moisturized
  • BENEFITS: The low molecular weight hyaluronic acid soaks into the skin, increasing the elasticity of the skin and making it feel plump from the inside
  • HEALTHY COMPLEXTION: It does not have a greasy finish and gives you a healthy complexion visible throughout the day
  • CAPACITY: This product comes in 40ml capacity
All Skin Types dehydration
Hover the swatch — it ripples like water

How to use

1

Apply after toner to clean skin.

2

Smooth 2-3 drops over the face and neck.

3

Pat gently until absorbed.

4

Follow with moisturizer.

5

Use morning and night.

Full transparency

Ingredients

Multiple hyaluronic acids focus on layered moisture so dry skin feels fuller, softer, and less tight.

This ampoule focuses on layered hydration rather than heavy occlusion. Using multiple hyaluronic-acid sizes is a common cosmetic strategy because different weights help create both surface cushioning and a more flexible, plump feel across the upper skin layers. That matters for dehydrated skin, which often looks rough or tired long before it feels truly dry. A good hyaluronic formula improves how water is held at the surface, so the complexion can look smoother, more elastic, and less flat through the day. In ampoule form, the texture is meant to feel more concentrated than a toner but still light enough to layer cleanly under cream. The non-greasy finish is part of the logic: skin can stay comfortable and visibly hydrated without feeling coated. With regular use, this kind of formula is best for supporting bounce, softness, and long-lasting moisture in skin that loses water easily.

The detail

Specs & details

FormatConcentrated ampoule
SizeDefault Title
Skin typesAll Skin Types
Country of originSouth Korea
Pairs beautifully with

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Questions & answers

After cleansing and toning, before moisturizer. Ampoules deliver concentrated actives most effectively on freshly prepped skin.
Yes, ampoules are concentrated enough to serve as your primary active step. Follow with moisturizer to seal in benefits.
Most users notice initial improvement within 2 to 4 weeks. For full benefits like delivers deep, lasting hydration that keeps skin plump throughout the day, allow 6 to 8 weeks of consistent use.
Your skin begins adjusting. You may notice improved hydration and comfort before more visible changes like texture refinement become apparent.
Yes, this formula is developed to be compatible with all skin types dealing with dehydration. If you have very reactive skin, patch test on the inner arm before full application.
The formula is designed to be well-tolerated. For pregnancy-specific concerns, consult your healthcare provider. For sensitive skin, patch test before full application.
Hyaluronic Acid draws and locks moisture deep within the skin, holding up to 1000x its weight in water. Consistent daily use is key to seeing the full benefits.
Check the INCI list for the most accurate information on fragrance components. The formula is developed for minimal irritation potential.
Store in a cool, dry place away from direct sunlight. Use within 12 months of opening for optimal freshness and efficacy.
Ampoules typically have a higher concentration of actives than serums. They are designed as intensive treatment boosters, often used during periods when skin needs extra support.
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About the brand

OriginSeoul, KR
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