IREN Shizen

QUENCH-UP Moisturizing Serum



This hydrating serum provides instant and intense hydration to regain a plump and dewy complexion!

This thirst-quenching formula is power-packed with 12 moisturizing ingredients to provide an immediate supply of hydration to the skin barrier and long-term improvement of the skin's water management.


95% of participants said that their skin looked more hydrated after 2 weeks.

96% of participants reported that their skin was firmer and more elastic after 4 weeks.

93% of participants stated that this reduced the appearance of their wrinkles and fine lines after 8 weeks.

*Sensory testing based on 57 women, aged 25 - 35.


Blueberry extract: This brilliant berry is rich in antioxidants and Vitamin B to help nourish and hydrate the skin. Vitamin C and E help reduce skin dryness, improve skin elasticity, and retain moisture for a dewy skin surface.

HYALURONIC ACID: A moisture-binding ingredient that replenishes hydration to parched skin. Incorporating a précised medium molecular weight of 130kDa, it proves to be most effective at improving skin elasticity for smooth and supple.

NMF solution (natural hydration factors): A combination of three different types of NMF constituents (Sodium PCA, Urea, and Sodium Lactate) that prevents water loss, keeping skin hydrated and protected to help maintain skin elasticity for dewy skin.

99% ingredients of natural origin・Cruelty Free・Vegan

Aqua (Onsen-Sui)*, Butylene Glycol, Betaine, Dipropylene Glycol, Glycerin, Panthenol, Vaccinium Angustifolium (Blueberry) Fruit Extract, Hydrolyzed Hyaluronic Acid, Sodium Hyaluronate, Sodium PCA, Trehalose, Allantoin, Sodium Lactate, Maltose, Fructose, Peat Water*, Pentylene Glycol, Citric Acid, Xanthan Gum, Sodium Hydroxide, Urea, Sodium Citrate, Hydroxyethylcellulose, Polyglyceryl-4 Laurate/Succinate, Ethylhexylglycerin, Sodium Chloride, Leuconostoc/Radish Root Ferment Filtrate, Glucose, Polyvinyl Alcohol, Phenoxyethanol, Chlorphenesin

Time Release Encapsulation

IREN's potent serums are enriched with patented Encapsulated Biyusen ™ technology to timely unlock each ingredient’s actives, discharging them 10 times faster and deeper into skin cells.

Expect remarkable results of accelerated absorption, prolonged freshness, and optimal efficacy after every application.


20 ml

How to use

Use in the morning and night after cleansing or/and toning the face. Use alone or mix up to 3 serums according to your needs.

Step 1: Dispense 3-4 drops of serum onto the palm with the in-built dropper.

Step 2: Gently bring palms together, then press palms onto the skin to spread the serum evenly across your face.

Step 3: Lightly pat in the serum in outwards and upwards motions for complete absorption onto the face.

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