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IREN Shizen Discovery Kit

Step into the world of custom beauty with IREN Shizen. Three serums, one box—effortless, effective, and tailored for you.
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THE DISCOVERY KITS

CLEAR UP Anti-Blemish Discovery Kit
¥6,900 JPY
Travel-size serums for radiant skin anytime, anywhere

43 reviews
5 ml * 3
DEW UP Hydrating Discovery Kit
¥6,900 JPY
Travel-size serums for hydration anytime, anywhere

57 reviews
5 ml * 3
GLOW UP Anti-Aging Discovery Kit
¥6,900 JPY
Travel-size serums for glowy skin anytime, anywhere

56 reviews
5 ml * 3

Awaken Your Natural Glow with BIYUSEN™

The story of IREN Shizen began with nature’s best-kept secret—rare "moor" onsen water. Through years of research, we transformed it into BIYUSEN™—a powerful, skin-renewing complex infused in every product. Feel the luxury as your skin is restored to its ultimate, radiant splendor.

Fulvic acid

Boosts skin's defense with powerful antioxidant, aiding oxygen and water absorption

Humic acid

Extends hyaluronic acid's life, boosts skin moisture, and slows wrinkle formation.

Hymatomelanic acid

Smooths skin texture, heals micro-wounds, and accelerates cell renewal.

Customised For Your Skin

3 Serums In a Box

A hand holding a CLEAR UP Anti-Blemish Discovery Kit with pumpkins on it, perfect for improving complexion with the power of superfruits. Brand: IREN Shizen

CLEAR UP

for oily / acne-prone skin

Anti-Blemish Serum
Soothing Serum
Renewal Serum
A hand holding a box with IREN Shizen's DEW UP Hydrating Discovery Kit, creating a skincare trio that provides moisture-rich hydration.

DEW UP

for dry / sensitive skin

Hydrating Serum
Soothing Serum
Antioxidant Serum
A hand holding a GLOW UP Anti-Aging Discovery Kit box.

GLOW UP

for dull / sagging skin

Anti-aging Serum
Brightening Serum
Antioxidant Serum
Customised For Your Skin

3 Serums In a Box

100% Vegan. Cruelty-Free. Dermatologically-tested. Silicone-free, fragrance-free & 2000+ banned ingredients. Suitable for all skin types.

How to Mix & Match

7 Serums, 35 Combinations

What serums should I use? Take our dermatologist-approved quiz to discover the perfect serums for your unique skin concerns.

Take Skin Quiz

Visible Results in 28 Days

Our supercharged serums, powered by BIYUSEN™, undergo rigorous testing, ensuring potent efficacy for timeless, radiant skin.

100% agree skin feels softer, smoother and more supple
97% agree skin feels instantly hydrated with a healthy, radiant glow
94% agree skin looks firmer, lifted and feels more elastic
Discover It Yourself
Skin elasticity improved by 86%
Pigmentation reduced by 72%
Acne improved by 54%
Post-acne marks improved by 62%
Redness reduced by 32%
Inflammation reduced by 59%

* Based on a 4-week Clinical Trial of 35 subjects aged between 21 - 59.