The Hyaluronic Acid 3 Serum
Serum

The Hyaluronic Acid 3 Serum

COSRX

4.7(76 reviews)Trending
$25 – $4620ml

A lightweight hydrating serum containing 3% sodium hyaluronate to deliver deep moisture and plump skin. Suitable for all skin types seeking intense hydration without heaviness.

Key Ingredients

WaterAqua

Solvent and base for formulations

Butylene Glycol

Humectant and solvent for ingredient delivery

Propanediol

Humectant and solvent that enhances hydration

GlycerinGlycerine

Humectant that attracts and retains moisture

Active
Sodium Hyaluronatesodium hyaluronate (30 ppm)

Humectant that binds moisture to skin

Active

+ 15 more ingredients

Ingredient Effectiveness Data

Based on aggregated user reports across Seoul Sister's community

Butylene Glycolfor dryness (dry skin)
100%

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Frequently Asked Questions

What are the key ingredients in The Hyaluronic Acid 3 Serum?

The key active ingredients in The Hyaluronic Acid 3 Serum by COSRX include Glycerin (Humectant that attracts and retains moisture), Sodium Hyaluronate (Humectant that binds moisture to skin), Betaine (Humectant and skin conditioning agent), Sodium PCA (Natural humectant that binds moisture to skin), Sodium Lactate (Humectant and pH adjuster for skin hydration). Based on Seoul Sister's analysis of 12+ user reports, key ingredients show 100% effectiveness for dryness in dry skin types. Seoul Sister tracks ingredient effectiveness across 5,800+ K-beauty products to provide data-backed recommendations.

Is The Hyaluronic Acid 3 Serum good for sensitive skin?

The Hyaluronic Acid 3 Serum is a Korean serum by COSRX. Sensitive skin compatibility depends on individual triggers and allergies. Seoul Sister's AI advisor Yuri analyzes all 20 ingredients against your specific skin type, concerns, and known allergens to provide a personalized compatibility score. Common irritant ingredients like fragrance, alcohol denat, and essential oils are flagged automatically.

Is The Hyaluronic Acid 3 Serum good for oily skin?

For oily skin, the key factors in evaluating The Hyaluronic Acid 3 Serum are comedogenic ingredient ratings, oil content, and finish type. This serum contains 8 active ingredients. Seoul Sister's database cross-references each ingredient's comedogenic rating (0-5 scale) against your skin type to identify potential pore-clogging risks. Subscribe for a personalized oily skin compatibility analysis.

How much does The Hyaluronic Acid 3 Serum cost?

The Hyaluronic Acid 3 Serum by COSRX starts from $25.00 USD for 20ml, with prices ranging up to $46.40 across retailers. Seoul Sister Pro members compare prices across 6+ authorized retailers including Olive Young, Soko Glam, and YesStyle to find the best deal, with automatic price drop alerts.

Where to buy The Hyaluronic Acid 3 Serum?

The Hyaluronic Acid 3 Serum by COSRX is available from authorized K-beauty retailers including Olive Young Global, Soko Glam, YesStyle, and Amazon. Prices start from $25.00 USD. Seoul Sister verifies retailer authenticity and tracks counterfeit indicators to help you buy genuine Korean skincare products.

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