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Dr. Althea - 15% Niacinamide Purity Serum [30ml]

Dr. Althea - 15% Niacinamide Purity Serum [30ml]

Regular price CHF 15.87
Regular price CHF 25.04 Sale price CHF 15.87
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Dr. Althea – 15% Niacinamide Purity Serum

High-strength Korean niacinamide serum with 15% concentration to refine pores, control excess sebum, and improve uneven tone. Helps strengthen the skin barrier, smooth texture, and boost clarity—ideal for oily, acne-prone, and dull skin in Swiss K-beauty routines.

Product Application

1. After toner, apply 2–3 drops evenly to face.

2. Gently pat until fully absorbed.

3. Follow with moisturizer; use morning and evening.

Ingredients

Water (Aqua), Niacinamide (15%), Butylene Glycol, Glycerin, Panthenol, Allantoin, Sodium Hyaluronate, Zinc PCA, Betaine, Adenosine, Centella Asiatica Extract, Madecassoside, Hydroxyethylcellulose, Carbomer, Arginine, 1,2-Hexanediol, Ethylhexylglycerin, Disodium EDTA

Shipping

Orders are dispatched promptly and are typically delivered within 2-3 business days.

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Frequently Asked Questions

Everything you need to know about Korean skincare and Asian beauty products

  • Korean skincare focuses on gentle, hydrating, and layering-based routines that emphasize prevention and barrier care rather than harsh treatments. Powered by innovative ingredients like centella asiatica, snail mucin, and hyaluronic acid, K-beauty products deliver deep nourishment and long-term glow for all skin types.

  • Yes — every product available on Koiyu.ch is 100% authentic and sourced directly from official Korean and Asian brand distributors. We guarantee genuine quality, safe formulations, and fresh stock so you can shop confidently.

  • Koiyu offers curated K-beauty routines for all skin types — dry, oily, combination, sensitive, or acne-prone. Explore our "Skin Type Routine" section to discover the best cleanser, toner, essence, serum, and moisturizer tailored to your needs.

  • No — all products we carry are free from parabens, sulfates, and harsh chemicals, and many are vegan or cruelty-free. Koiyu's mission is to bring you clean, effective, dermatologist-tested beauty from trusted Asian brands.

  • We ship locally from our Swiss warehouse. Orders typically arrive within 1–3 business days, and shipping is free on orders over CHF 80. Fast, reliable delivery ensures your Korean skincare favorites reach you in perfect condition.