IREN Niacinamide Anti-Blemish Serum


Out of stock

Skin concerns: redness, dehydration, sensitivity, oiliness, acne, inflammation 3-phase anti-blemish serum that treats, calms, and protects your skin from future breakouts.

How to Use
Gently twist the cap of the serum and squeeze 2 pumps of serum onto your palm and spread evenly across both your palms. Gently dab the serum with both hands on different parts of your cheeks. If you have more than one serum, squeeze 1 pump of each serum onto your palm. Repeat the process mentioned above.

Product Volume
15ml Serum Bottle

Serum bottles are made of glass, and caps are made of ABS plastic, 99% recyclable. Plastics can be reused in 3D printing and can be reheated and recycled for other uses. Reusable bubble wrap replaces unnecessary bubble wrap packaging.

Products are sourced locally and made in Japan. They get shipped to our local suppliers in other parts of the world for final assembly and filing. To further reduce carbon footprint, efforts are made to source for all eco boxes and cartons locally.


Mangosteen Extract: Anti-inflammatory, antibacterial, and hypoallergenic properties to reduce pimples and calm acne-prone skin. Protects against environmental damage and future breakouts to improve skin vitality and radiance.

Niacinamide (Vitamin B3): Powerful antioxidant with anti-acne and anti-inflammatory properties that controls sebum production, calms sensitive skin and repairs damaged skin barriers.

White Willow Extract: Contains natural anti-inflammatory salicylates (similar to Salicylic Acid) targets acne with soothing effects.

Meadowsweet Extract: Re-equilibrates the skin ecosystem to reduce bacterial growth, sebaceous secretion and limit inflammatory lesions. Aloe Vera Leaf Extract: Hydrating and anti-inflammatory benefits to soothe irritation and form a protective barrier on the skin.

Full Ingredient List Aqua, Butylene Glycol, Niacinamide, Salix Alba Bark Extract, Glycerin, PEG-40 Hydrogenated Castor Oil, Dipropylene Glycol, Garcinia Mangostana Peel Extract, 1,2-Hexanediol, Spiraea Ulmaria Extract, Avena Sativa Kernel Extract, Aloe Barbadensis Leaf Extract, Hamamelis Virginiana Bark/Leaf/Twig Extract, Rosa Canina Fruit Extract, Hydroxyethylcellulose, Ethylhexylglycerin, Xanthan Gum, Citric Acid, Leuconostoc / Radish Root Ferment Filtrate, Sodium Citrate, Potassium Sorbate, Polyvinyl Alcohol, Phenoxyethanol, Chlorphenesin


6 reviews for IREN Niacinamide Anti-Blemish Serum

  1. Linnie T. (verified owner)

    Use it as part of my skincare routine at night time. It penetrated into my skin quickly, as other reviewers have reported. Doesn’t **** 100% of acne instantly but it has helped to calm down my facial acne by using it regularly. Recommended.

  2. Fazlina A. (verified owner)

    I absolutely love how the Iren Skin serum feels on my skin. I don’t feel any skin irritation or itchiness at all! I tried the Anti-blemish serum to get rid of some scars on my nose and I’ve seen some improvements since I started applying it!

  3. Larissa I. (verified owner)

    I broke out very badly for the first time ever with hormonal acne. For months, I’ve been struggling with my skin, doing everything to clear it up. I ordered the Clearer Day Anti Blemish Serum from IREN Skin. My blemishes were already smaller and less red after only a single use. After three days now, my skin is really clearing up and I can’t believe it! These products, I would highly recommend these products, they’ve saved my skin!

  4. Gracia O. (verified owner)

    I have oily and sensitive skin and what attracted me to try this Clearer Days Anti-Blemish serum was because of its anti-bacterial and calming benefits, as well as the fact that it’s cruelty-free and and doesn’t include allergens and irritants! Glad to share that the product works great in clearing the blemishes and preventing future breakouts. I like that it’s lightweight too and doesn’t feel too heavy on the skin.

  5. Apryl D. (verified owner)

    I have combination skin and this really helped me a lot more than I expected; it unexpectedly helped minimize my acne’s swelling and redness and was an excellent product for my type of skin!!

  6. Shannon G. (verified owner)

    I bought this one, the skin reboot, and forever young. OMG when I tell you I saw results overnight, I am not kidding! I had been breaking out really badly for weeks!!! This stuff not only cleared my acne but healed any scarring too. I am really skeptical about new skincare products at first but this wowed me. I am in love and I’ve finally found what works for me and found the right routine for me. All of the serums I’ve tried feel so good on the skin, very hydrating even as someone with dehydrated skin. And they are lightweight and easy to layer. I used to be so concerned about which skin products to layer and if they would deactivate one another or make my face too greasy. Iren has taken the guessing out of the equation and now I have a peace of mind and I’m excited to see even further results. I will always be a loyal customer from now on. I say it’s definitely worth a try!

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About Brand
Besides being 100% vegan and cruelty-free, IRÉN Skin defines themselves as ‘Scientifically Clean’, basing formulations on factual evidence instead of hearsay. They're also the first Japanese skincare brand to blacklist over 2000 ingredients that are toxic, comedogenic, or allergenic.And since they can’t list out all 2000, here are 7 major toxic ingredients you may be familiar with: SLS/SLES, parabens, formaldehyde and formaldehyde releasers, phthalates, triclosan, drying alcohols, and artificial fragrances.