Free Shipping over $99

Ships from California

Free Shipping over $99

Ships from California

Cancel
Search

help

Your Cart

Your cart is empty

Price:$20.92
Recently Sold 10+

SKU: isn11-1-69-oz

Recently Sold 10+
Price:$20.92
Recently Sold 10+

SKU: isn11-1-69-oz

Order soon 1 left in stock

Ships from California

Order soon 1 left in stock

Description
Ingredients
Product Details

Quench your skin’s deepest thirst with the Isntree Ultra-Low Molecular Hyaluronic Acid Serum, a lightweight, vegan hydration powerhouse designed to penetrate where others can't. Unlike standard serums that sit on the surface, this formula features ultra-low molecular weight hyaluronic acid (329 Da) that dives deep into the dermis to replenish moisture from within. This isn't just about surface shine; it’s about rebuilding your skin's inner reservoirs to create a firm, bouncy complexion that feels "drinkable" and looks instantly refreshed for up to 24 hours.

The clinical-grade formula is built on a foundation of mineral-rich deep seawater from Ulleung Island, Korea, which naturally boosts skin vitality with essential magnesium and potassium. By combining 14 distinct types of hyaluronic acid with glyceryl glucoside—an ingredient that activates the skin's natural water channels—this serum ensures that hydration is not only delivered but locked in place. It acts like a "3-second moisturizing" treatment, sinking in immediately without a trace of stickiness or that heavy, tacky feel common in high-concentration serums.

Crafted for those with oily, combination, or sensitive skin that needs moisture without the weight, this serum is a masterclass in clean, effective K-Beauty. The inclusion of madecassoside and beta-glucan provides a soothing, anti-inflammatory embrace, calming redness and strengthening the moisture barrier against environmental stressors. Free from artificial fragrances, mineral oils, and drying alcohols, it offers a pure, fragrance-free experience that respects your skin’s natural pH and leaves it feeling incredibly smooth and resilient.

14-Layer Multi-Hydration: Utilizing 14 types of hyaluronic acid, this serum delivers moisture to various depths of the skin to ensure comprehensive, multi-level hydration. This diverse molecular range helps to visibly plump the skin and reduce the appearance of fine lines by filling the moisture gap from the inside out.

Ultra-Low 329 Da Molecules: The "ultra-low" molecular weight of 329 Da allows for superior skin penetration compared to standard hyaluronic acid, reaching deep into the dehydrated layers almost instantly. This results in a "3-second moisturizing" effect where the skin feels quenched and refreshed without any surface residue.

Barrier-Strengthening Botanicals: Enriched with madecassoside and beta-glucan, the serum helps to fortify the skin’s natural moisture barrier while providing essential anti-inflammatory care. These ingredients work together to soothe sensitive or irritated skin, making it an ideal choice for complexions prone to redness or fungal acne.

Mineral-Rich Sea Water Base: Formulated with deep seawater from Ulleung Island, Korea, the serum infuses the skin with vital nutrients like magnesium, calcium, and potassium. This mineral infusion helps to speed up the healing process and combat skin infections while maintaining long-lasting moisture retention.

Clean & Fast-Absorbing Formula: The lightweight, vegan liquid is strictly free of artificial fragrances, essential oils, and drying alcohols to ensure maximum compatibility with reactive skin types. It absorbs quickly into the pores, leaving a fresh, balanced finish that won't interfere with your favorite sunscreen or makeup application.

*Ingredients may vary slightly due to formula updates by brands. Please consult packaging for most accurate list of ingredients

Product Recommendations

Isntree Ultra-Low Molecular Hyaluronic Acid Toner-image1
Kisocare Hyalo Hyaluronic Acid Essence LQ 100%-image1
RNW DER. CONCENTRATE Hyaluronic Acid Plus-image1

Frequently Asked Questions

What is ultra low molecular weight hyaluronic acid and why does it matter?

Ultra low molecular weight hyaluronic acid (typically under 3,000 Daltons) is smaller than standard hyaluronic acid, allowing it to penetrate deeper into the skin's lower layers. This deeper penetration helps deliver hydration where it's needed most, making it more effective for plumping fine lines and improving skin texture compared to larger molecular weight variants.

Is Isntree Ultra Low Molecular Hyaluronic Acid Serum suitable for sensitive skin?

Yes, this serum is formulated to be gentle and suitable for sensitive skin types. It contains hyaluronic acid as the primary hydrating ingredient without harsh actives, fragrance, or common irritants. However, if you have extremely reactive skin, we recommend patch testing first or consulting with a dermatologist.

Can I use this serum with other actives like retinol or vitamin C?

Yes, this hyaluronic acid serum works well alongside other actives. Apply it after using actives like retinol or vitamin C to seal in hydration and support your skin barrier. This layering approach can help reduce potential irritation from stronger actives while maintaining moisture balance.