Prepare your skin for the colder months

10% OFF All Hydrating Products

Refresh your skin with our selected cold weather essentials today!

Newly launched Eye & Lip Cream

Retinol Results, Without the Irritation

Formulated with Bakuchiol that is Pharmaceutical-grade quality with 99.9% pure ingredient and no additives.

NEWLY LAUNCHED BUNDLE SET

Gift With Purchase

Only eye treatment kit needed for all concerns, from eye bags to fine lines to dark circles. Enjoy 1 Free 5ml Hydrating Serums with purchase of our new vegan Eye & Lip Cream.

For limited period only

Buy 2 Moisturizers, Get a Free Travel Size Serum

Get glowing, hydrated skin in 3 steps. Buy our MOCHI SKIN instant glow travel set and receive a FREE mini serum

The Science Behind the Skin

Encapsulated BIYUSEN™

The quintessential heart of IREN Shizen, our unique patented technology that offers the best of the effectiveness without any aggressiveness by allowing highly concentrated active ingredients to be better absorbed into the skin deeper layers.

As Featured In

A cruelty-free skincare based on skin condition (not skin type). There are 35 unique combinations.
— VOGUE
The brand is vegan and blacklists more than two thousand toxic or potentially harmful ingredients.
— ELLE
Whether you experience dryness, acne, sagging skin or dullness - you can find a serum to target any skin concern.
— VROUW
Formulas were designed to be safe for all, even individuals with sensitive skin or pregnant women.
— THE NEW YORK TIMES
The beauty is how you can combine the serums, and apply them all at once, without the loss of individual efficacy.
— LIFESTYLE ASIA

Personalise
Your Serums

Consult our dermatologist—she will recommend the best personalized serums that answers to your skin’s unique needs.

Our Difference

The Pursuit of J-Beauty Perfection

Onsen Water

Our line of beauty elixirs is formulated with potent antioxidants and highly nutritious mineral water, exclusively sourced from Hokkaido.

Nature-Derived

Our skincare is holistically made with the Earth's purest ingredients that harness the power of nature to restore skin to its glorious health.

Japanese Rituals

Inspired by Japan's ancient traditions and timeless culture, we craft mindful beauty rituals that bring harmony from an exquisite balance between mind, skin and soul.

Cruelty-Free

Upholding Leaping Bunny cruelty-free global standard, we entirely do not test on animals, nor do our ingredient suppliers or manufacturers.

Vegan

All our products are consciously formulated using efficacy-proven actives and botanicals, with zero traces of animal by-products or ingredients.

Dermatologist Tested

Our advanced formulations utilize only the safest ingredients that are non-toxic and have been proven by expert dermatologists to work wonders on skin.

The #IRENSISTIBLE Club

Give your skin an irresistible glow—share yours with #IRENSISTIBLE and mention @irenshizen for a chance to be featured in our gallery.