Meditherapy Hyaluronic Acid Skin Booster First Serum 150ml
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- 30 Days Return
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Thirsty Skin That Feels Dry Again an Hour Later? Meet the 3-Layer Hydration Fix.
If your skin drinks up moisturizer and still feels tight by lunchtime, it's losing water faster than it can hold it. The Meditherapy Hyaluronic Acid Skin Booster First Serum is a Korean first-step serum that replaces your toner. It's built around HyalBlock™, a proprietary mesh-structured hyaluronic acid complex that binds water in 3D instead of 2D, working with Low Molecular Weight Hyaluronic Acid and Ectoin to hydrate deep layers and block transepidermal water loss. In clinical testing, it boosted absorption of the next skincare step by 2.47x, and layering carried moisture up to 2.5 mm below the surface. The result is plump, bouncy, dewy glass skin that stays hydrated all day, with no sticky residue.
Product Summary
Product Summary
The Meditherapy Hyaluronic Acid Skin Booster First Serum is the viral "333 serum": it absorbs in about 3 seconds, stays non-sticky even after 3 layers, and delivers long-lasting hydration with 3D hyaluronic acid. Its watery, lightweight texture replaces toner as your first step and preps skin so every serum, cream, and foundation that follows sinks in better. HyalBlock™ technology, 4 forms of hyaluronic acid, Ectoin, and Centella-derived Asiaticoside and Madecassic Acid hydrate, soothe, and strengthen the barrier together. It's fragrance-free and completed skin irritation testing, so it suits dry, dehydrated, and sensitive skin. Korean makeup artist PONY recommends layering it before makeup for a hydrated, non-cakey finish. In a generous 150ml pump bottle, it also works as a hydrating body booster or can be mixed into matte foundation for a dewier look.
Ingredients
Ingredients
Water, Propanediol, Butylene Glycol, Glycerin, Tripropylene Glycol, Diethoxyethyl Succinate, 1,2-Hexanediol, Ectoin, Hydroxyacetophenone, Glycereth-25 PCA Isostearate, Sodium Hyaluronate, Poloxamer 407, Arginine, Carbomer, Ethylhexylglycerin, Disodium EDTA, Xanthan Gum, Asiaticoside, Asiatic Acid, Madecassic Acid, Hyaluronic Acid, Hydrolyzed Hyaluronic Acid, Sodium Hyaluronate Crosspolymer
🔹 HyalBlock™ (Sodium Hyaluronate Crosspolymer + Hyaluronic Acid) – Mesh-structured HA that locks water in 3D for longer-lasting hydration
🔹 Low Molecular Weight / Hydrolyzed Hyaluronic Acid – Penetrates deeper to plump from within
🔹 Ectoin – Protects the barrier from environmental stress and moisture loss
🔹 Asiaticoside, Asiatic Acid, Madecassic Acid (Centella Asiatica) – Soothe redness and support barrier repair
🔹 Glycerin – Classic humectant for instant moisture
Note: Ingredients may vary by batch. Always check product packaging for the latest list.
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Why You'll Love It
💧 3D HyalBlock™ hydration that holds water longer than regular hyaluronic acid
⚡ Absorbs in seconds with zero stickiness, even after 3 layers
🚀 Boosts absorption of your next skincare step by 2.47x (clinically tested)
🌿 Ectoin + Centella complex soothes and protects sensitive, stressed skin
✨ Creates the perfect dewy, non-cakey base for makeup
🧴 Big 150ml pump bottle for face, neck, and body -
Features & Benefits
✔️ Proprietary HyalBlock™ 3D hyaluronic acid technology
✔️ 4 types of hyaluronic acid plus Ectoin and Centella complex
✔️ Clinically shown to boost absorption of next skincare step by 2.47x
✔️ Watery, fast-absorbing, non-sticky "333" texture
✔️ Fragrance-free and skin irritation tested
✔️ 150ml / 5.07 fl oz pump bottle, made in South Korea -
Product Details
✨ 100% Authentic – Sourced directly from Korea
📅 Best By: 11/2028
🔖 UPC: 8809606777260
✅ Return accepted within 30 days
📦 Ships Fast from the USA -
How To Use
① After cleansing, use as your first step in place of toner
② Pump an appropriate amount into palms or directly onto face
③ Gently pat into skin until absorbed
④ Repeat for up to 3 layers for deeper, longer-lasting hydration
⑤ Follow with serum and moisturizer, morning and night (or mix with matte foundation for a dewy finish)
Product FAQ
What is a skin booster first serum, and does it replace toner?
A skin booster first serum is a watery, hydrating serum applied right after cleansing to prep skin and boost absorption of the products that follow. Meditherapy's Hyaluronic Acid Skin Booster First Serum is designed to be used instead of toner, layered up to 3 times for deep hydration.
How is HyalBlock™ different from regular hyaluronic acid?
Regular hyaluronic acid holds moisture on a flat, 2D surface and can evaporate quickly. HyalBlock™ is a mesh-structured hyaluronic acid complex that binds water in a 3D cubic matrix, keeping skin hydrated longer and reducing transepidermal water loss.
Is Meditherapy Hyaluronic Acid First Serum good for sensitive skin?
Yes. It's fragrance-free, contains no harsh alcohols, parabens, silicones, or sulfates, and completed skin irritation testing. Soothing Ectoin and Centella derivatives make it a gentle choice for sensitive and dehydrated skin.