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Crafted in Japan, each formula combines ancient botanicals with advanced clinical ingredients. Experience the power of nourishing superfoods, organic acids, and Biyusen™ onsen water. Discover the perfect balance of science and tradition in our skincare elixirs.

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33 products
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Skincare set featuring a jar of IREN Shizen TIMELESS ELIXIR cream, a metallic facial roller, and a free hydrating serum bottle.
New in 15% off
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TIMELESS ELIXIR Hydrating Eye Skincare Kit

15 reviews
£58.00 GBP £68.00 Sale
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A jar of IREN Shizen TIMELESS ELIXIR Multi-Lift Eye and Lip Cream is shown alongside a rose gold application tool.
New in
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TIMELESS ELIXIR Multi-Lift Eye and Lip Cream

15 reviews
£58.00 GBP
15 ml
Two skincare jars and a dropper bottle labeled "IREN" with the text "MOCHI SKIN Instant Glow Travel Set" above the bottle.
New in
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MOCHI SKIN Instant Glow Travel Set
£38.00 GBP
Four MOCHI SKIN Instant Glow Sets against a white background, including two face creams in pink and blue jars and a peach-colored face serum bottle by IREN Shizen.
New in
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MOCHI SKIN Instant Glow Set
£76.00 GBP
A jar of FLOWERS IN BLOOM Antioxidant Water Cream by IREN Shizen, designed for sensitive skin, featuring a pink container and a metallic cap, isolated on a white background.
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FLOWERS IN BLOOM Antioxidant Water Cream

103 reviews
£45.00 GBP
A jar of IREN Shizen FREEZE THE YOUTH Hydra Firming Cream on a white background.
New in
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FREEZE THE YOUTH Hydra Firming Cream

103 reviews
£50.00 GBP
Customize your self-care spa day with a PRO MINI Skin Genie Pro + Discovery Kit face mask and an IREN Shizen pink box adorned with lemons on it.
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PRO MINI Skin Genie Pro + Discovery Kit
£141.00 GBP
Two skincare products: One beige serum bottle with a rounded cap and "IREN Shizen" label, and one pink anti-aging serum bottle with a pump dispenser that boosts collagen production and bears the same "IREN Shizen" label.
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BEST SUSTAINABLE DUO By L'OFFICIEL Beauty Awards 2023
£88.00 GBP
20 ml + 30 ml
Three differently colored skincare product bottles with silver caps, labeled "IREN Shizen." The bottles display text indicating various skincare benefits, including the LES ESSENTIELS Best Sellers Set featuring an Anti-Aging Serum and a Brightening Serum.
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LES ESSENTIELS Best Sellers Set
£98.00 GBP
20 ml * 2 + 10 ml
Two bottles of MICROBIOME REPAIR Pre and Postbiotic Facial Oils by IREN Shizen with blue and pink liquids on a white background.
10% off
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MICROBIOME REPAIR Pre and Postbiotic Facial Oils
£89.00 GBP £99.00 Sale
A jar of IREN Shizen™ 7-Day Moisturiser Trial 'freeze the youth' hydra firming cream on a white background.
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DEW UP Facial Oil + Serums
£80.00 GBP
5 ml * 3 + 30 ml
A set of IREN Shizen GLOW UP Facial Oil + Serums with Japanese skincare on a white background.
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GLOW UP Facial Oil + Serums
£80.00 GBP
5 ml * 3 + 30 ml
A bottle of IREN Shizen's BLOOM OF YOUTH Restoring Facial Oil, a Japanese skincare product, on a white background.
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BLOOM OF YOUTH Restoring Facial Oil

15 reviews
£50.00 GBP
A bottle of IREN Shizen DROP OF DEW Moisturizing Facial Oil, featuring Japanese skincare, onsen skincare, on a black background.
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DROP OF DEW Moisturizing Facial Oil

13 reviews
£50.00 GBP
Three bottles of IREN Shizen DEW UP PRO Skin Genie Pro + Hydrating Set, each in a different color (blue, green, pink), alongside a pink, textured circular skincare tool for customizable treatment.
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DEW UP PRO Skin Genie Pro + Hydrating Set
£225.00 GBP
20 ml * 3
Three bottles of IREN Shizen CLEAR UP PRO Skin Genie Pro + Anti-Blemish Set in purple, beige, and green are placed in a row beside a circular pink facial cleansing device, perfect for achieving a glowing complexion.
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CLEAR UP PRO Skin Genie Pro + Anti-Blemish Set
£225.00 GBP
20 ml * 3
Three bottles of IRÉN Skin Anti-Aging Serum in peach, yellow, and pink are arranged beside a circular pink skincare applicator—part of the GLOW UP PRO Skin Genie Pro + Anti-Aging Set from IREN Shizen.
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GLOW UP PRO Skin Genie Pro + Anti-Aging Set
£225.00 GBP
20 ml * 3