Hyaluronic Acid Serum
✓ Paraben-Free✓ Fragrance-Free✓ Alcohol-Free✓ Silicone-Free✓ Sulfate-Free✓ Mineral Oil-Free✓ Phthalate-Free✓ Cruelty-Free✓ Gluten-Free✓ Made in USA
Kasivit

Hyaluronic Acid Serum

💊Apply 2–3 drops to clean, dry face and neck. Gently press in with fingertips until fully absorbed. Use morning and evening before moisturizer.
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🧪 Third-Party Tested
🇺🇸 Made in USA
📦 Free Shipping $50+
👨‍⚕️ Evidence-Rated
Why It Works

Key Benefits

💧
Deep Multi-Layer Hydration
Four molecular-weight HA forms penetrate different skin depths, hydrating from the surface down to the deeper epidermis.
✨
Improved Skin Elasticity
Regular use supports the skin's natural moisture barrier, improving elasticity and reducing the appearance of fine lines caused by dryness.
🌿
Smooths Dryness-Related Fine Lines
Plumps the skin with moisture, visibly softening fine lines caused by dehydration within days of consistent use.
🧴
Gentle for Sensitive Skin
Fragrance-free, alcohol-free, silicone-free, and paraben-free — formulated to be kind to reactive and sensitive skin types.
⚡
Fast-Absorbing, Non-Greasy
Lightweight serum texture absorbs quickly without residue, making it ideal as a base layer under moisturizer.
Formula

Ingredients & Dosages

Serving size: Apply 2–3 drops to clean, dry face and neck. Gently press in with fingertips until fully absorbed. Use morning and evening before moisturizer.

Ingredient Amount Per Serving Purpose
Sodium Hyaluronate Crosspolymer Topical High-MW HA crosspolymer that forms a breathable surface film, locking in moisture and reinforcing the skin barrier.
Sodium Hyaluronate Topical Standard HA salt that hydrates the upper skin layers and plumps the appearance of fine lines.
Sodium Acetylated Hyaluronate Topical Modified HA with enhanced skin affinity and prolonged moisture delivery — outperforms standard HA in sustained hydration studies.
Hydrolyzed Sodium Hyaluronate Topical Low-MW HA fragments that penetrate more deeply into the epidermis for inner-layer hydration.
Glycerin Topical Humectant that draws moisture to the skin and enhances the performance of all four HA forms.
Propanediol Topical Plant-derived skin-conditioning agent and solubility enhancer.
Phenoxyethanol / Ethylhexylglycerin Topical Gentle, globally approved preservative system at low concentration.

† Daily Value not established. Other ingredients may include: microcrystalline cellulose, vegetable capsule (HPMC), magnesium stearate (vegetable source), silicon dioxide. Free from: gluten, dairy, soy, artificial colors and flavors.

Science

Clinical Evidence

Every Kasivit product is backed by peer-reviewed research. Here's what the science says.

🔬
Topical hyaluronic acid significantly increases skin hydration and reduces transepidermal water loss compared to vehicle control
Pavicic T et al. (2011). Efficacy of cream-based novel formulations of hyaluronic acid. J Drugs Dermatol, 10(9):990–1000.
🔬
Lower-molecular-weight HA fragments penetrate the stratum corneum more effectively, providing hydration at deeper epidermal layers
Stern R et al. (2004). Hyaluronan fragments: an information-rich system. Eur J Cell Biol, 83(7):317–328.
🔬
Sodium acetylated hyaluronate (AcHA) demonstrates superior moisturizing effect and skin affinity compared to standard sodium hyaluronate
Kawada C et al. (2014). Sodium acetylated hyaluronate and its moisturizing property. Skin Pharmacol Physiol, 27(6):307–315.
🔬
Multi-molecular-weight HA serum improves skin elasticity, firmness, and smoothness with consistent twice-daily application
Gold MH et al. (2018). Multi-weight HA in dermatologic formulations. J Clin Aesthet Dermatol, 11(2):26–30.
👨‍⚕️ All studies referenced are peer-reviewed and published in indexed medical journals. This information is for educational purposes and does not constitute medical advice.

Key Features:

  • Advanced Hydration
  • Suitable for Various Skin Layers
  • Improved Skin Texture
  • Gentle and Soothing

A revolutionary skincare product that harnesses the extraordinary properties of four different types of hyaluronic acid to provide unmatched hydration and skin rejuvenation. Hyaluronic Acid Serum is designed to target and transform your skin, enhancing moisture retention and elasticity like never before.

Unlike other hyaluronic acid serums in the market, this product is packed with multiple types of hyaluronic acid, each targeting a different layer of the skin - as a result, skin feels hydrated and moisturized from the inside out!

Ingredients: Water, Propanediol, Glycerin, Sodium Hyaluronate Crosspolymer, Sodium Hyaluronate, Sodium Acetylated Hyaluronate, Hydrolyzed Sodium Hyaluronate, Pentylene Glycol, Xantham Gum, Sorbitan Oleate Decylglucoside Crosspolymer, Phenoxyethanol, Ethyhexylglycerin.

Manufacturer Country: USA

Product Amount: 1 fl oz

Suggested Use: Apply a small amount of the product to clean, dry skin. Gently massage until fully absorbed.

Caution: Avoid contact with eyes. In case of irritation, discontinue use. Keep out of reach of children. Store in a cool, dry place.

Gluten-freeLactose-freeHormone-freeAlcohol FreeCruelty FreeFragrance FreeMineral Oil FreeParaben FreePhthalate FreeSilicone FreeSulfate Free

Questions

Frequently Asked Questions