10% OFF All Hydrating Products
Refresh your skin with our selected cold weather essentials today!
Retinol Results, Without the Irritation
Formulated with Bakuchiol that is Pharmaceutical-grade quality with 99.9% pure ingredient and no additives.
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.
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
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.
A cruelty-free skincare based on skin condition (not skin type). There are 35 unique combinations.
The brand is vegan and blacklists more than two thousand toxic or potentially harmful ingredients.
Whether you experience dryness, acne, sagging skin or dullness - you can find a serum to target any skin concern.
Formulas were designed to be safe for all, even individuals with sensitive skin or pregnant women.
The beauty is how you can combine the serums, and apply them all at once, without the loss of individual efficacy.
Natural Ingredients from Japan
Superfruit extracts exclusively sourced from Japan work to enhance the potency of our beauty elixirs.
ユズ
Yuzu
Citrus Junos Fruit Extract
夕張メロン
Green Melon
Cucumis Melo Fruit Extract
ぶどう
Grape
Vitis Vinifera Leaf Extract
クコの実
Goji Berries
Lycium Barbarum Fruit Extract
カボチャ
Pumpkin Seed
Cucurbita Pepo Seed Extract
ザクロ
Promegranate
Punica Granatum Extract
ブルーベリー
Blueberry
Vaccinium Angustifolium Fruit Extract
Superfruit extracts exclusively sourced from Japan work to enhance the potency of our beauty elixirs.
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.