IREN Shizen

CLEARER DAYS Anti-blemish Serum



This anti-imperfections serum works as an advanced 3-phase skin-perfecting treatment to combat sebum, imperfections, and acne:

1) Target overactive sebum

2) Calm skin irritation

3) Prevents future breakouts

With a soft but effective blend of pore-decongesting ingredients, it clarifies the skin and restores sebum balance and flare-ups without drying the skin.


Non-comedogenic. Clinically tested. It is dermatologically tested.

  • 91% of participants said that it healed the acne after 1 week.

  • 94% of participants said that their blemish was less red and less uncomfortable after 2 weeks.

  • 93% of participants said it helped in preventing them from picking at their acne after 4 weeks

* Sensory testing based on 68 women, aged 25 - 35.


Grape extract: Effective in treating acne by reducing inflammation and acne scars. Rich in antioxidants with antiseptic properties that help dramatically detoxifies and protect the skin for a clear complexion.

Niacinamide: Works to control sebum production, calm sensitive skin, and repair damaged skin barriers via a powerful antioxidant to boost anti-acne and anti-inflammatory properties, ridding the skin of acne-causing impurities.

White Willow Extract: Contains natural anti-inflammatory salicylates (similar to salicylic acid) to alleviate redness and calm acne. It gently exfoliates the skin, reducing oiliness to protect against future acne breakouts and revealing a clear complexion.

Meadowsweet extract (Extract from Spiraea Ulmaria): Rebalance skin's ecosystem to reduce bacterial growth, and sebaceous secretion and limit inflammatory lesions.

Aloe Vera Leaf Extract (Aloe Barbadensis Leaf Extract): Has moisturizing and anti-inflammatory benefits to soothe irritation and form a protective barrier on the skin.

98% ingredients of natural origin・Cruelty Free・Vegan

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

Time Release Encapsulation

IREN's potent serums are enriched with patented Encapsulated Biyusen ™ technology to timely unlock each ingredient’s actives, discharging them 10 times faster and deeper into skin cells.

Expect remarkable results of accelerated absorption, prolonged freshness, and optimal efficacy after every application.


20 ml

How to use

Use in the morning and night after cleansing or/and toning the face. Use alone or mix up to 3 serums according to your needs.

Step 1: dispense 3-4 drops of serum onto the palm with the in-built dropper.

Step 2: gently bring palms together, then press palms onto the skin to spread the serum evenly across your face.

Step 3: lightly pat in the serum in outwards and upwards motions for complete absorption onto the face.

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Customer Reviews

Based on 3 reviews
Un sérum qui fonctionne vraiment

C’est un indispensable pour moi. Des que je l’utilise je remarque que mon acné se calme drastiquement. Je l’utilise tous les soirs et parfois le matin.

Très efficace

Fonctionne très bien, je l’achète depuis un an pour moi, mes petites sœurs et mes cousins. Tous en sont très contents. Il tient ses promesses !

Très bon sérum

Le seul sérum Irén essayé jusqu'à présent, mais déjà complètement conquise par la marque. J'utilise le produit sur mon décolleté (lésions d'acné, multiples taches de brûlures solaires anciennes). Dès la première utilisation la peau a eu un aspect plus souple, avec une excellente tolérance. Sur la durée, les petits boutons finissent par être moins dominants. À utiliser combiné avec d'autres soins pour de meilleurs résultats.

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