Cos De BAHA Azelaic Acid 15% MSM 1% (AZ15) Serum helps calm breakouts, reduce redness, and smooth uneven texture with a potent yet balanced formula. Powered by 15% azelaic acid, MSM, and niacinamide, it works to refine pores and brighten dull skin over time. A great choice for acne-prone, sensitive, or redness-prone skin types looking for visible clarity.
Volume: 30ml Acne-Prone Skin, All skin types Made in Korea
Q: Can I use Cos De BAHA Azelaic Acid 15% MSM 1% (AZ15) Serum every day? A: Yes, but it’s best to start slowly. Begin with 2–3 times a week and increase as your skin adjusts.
Q: Does Cos De BAHA Azelaic Acid 15% MSM 1% (AZ15) Serum help with acne scars? A: It can help fade post-acne marks over time by improving skin tone and reducing inflammation.
Q: Is Cos De BAHA Azelaic Acid 15% MSM 1% (AZ15) Serum suitable for sensitive skin? A: Yes, it’s generally well-tolerated due to its soothing ingredients, but patch testing is recommended.
Q: Can I combine this serum with other actives? A: You can, but avoid layering strong exfoliants in the same routine to prevent irritation.
Q: How long does it take to see results? A: Many users notice smoother and calmer skin within a few weeks, with continued improvement over time.
Cleanser → Heimish All Clean Green Foam pH 5.5 — Gentle cleansing without irritation
Toner → Anua Heartleaf 77% Soothing Toner — Preps and calms the skin
Serum/Treatment → Cos De BAHA Azelaic Acid 15% MSM 1% (AZ15) Serum — This Product for targeted treatment
Moisturizer → ILLIYOON Ceramide Ato Cream — Strengthens barrier and locks in moisture
Sunscreen (AM) → Beauty of Joseon Relief Sun — Protects skin daily
Customers Also Bought • COSRX Advanced Snail 96 Mucin Essence — Adds hydration and repair support • Anua Heartleaf 77% Soothing Toner — Enhances calming routine • ROUND LAB Birch Juice Moisturizing Cream — Lightweight hydration for daily use
Cos De BAHA Azelaic Acid 15% MSM 1% (AZ15) Serum is a targeted treatment designed to improve skin clarity while calming irritation. With a high-strength 15% azelaic acid concentration, it helps reduce acne-causing bacteria, minimize redness, and smooth rough texture without being overly harsh. The lightweight formula absorbs quickly, making it easy to layer into both simple and advanced routines.
What makes Cos De BAHA Azelaic Acid 15% MSM 1% (AZ15) Serum stand out is its balanced approach—combining exfoliating, antibacterial, and soothing ingredients in one formula. MSM supports skin healing, while niacinamide helps even out tone and strengthen the barrier. If you’re pairing it with hydration boosters like COSRX Advanced Snail 96 Mucin Essence, you’ll notice even better results. It’s especially suitable for acne-prone, sensitive, and uneven skin types.
Key Benefits
• Acne Control — Azelaic acid helps reduce breakouts and prevent clogged pores • Redness Relief — Calms visible irritation and uneven skin tone • Texture Refining — Smooths rough patches for softer-looking skin • Brightening Support — Niacinamide helps improve dull and uneven complexion • Targeted Treatment — Cos De BAHA Azelaic Acid 15% MSM 1% (AZ15) Serum delivers focused care without heaviness
Key Ingredients
Here’s what powers the Cos De BAHA Azelaic Acid 15% MSM 1% (AZ15) Serum:
Azelaic Acid (15%) A multi-tasking ingredient known for its antibacterial and anti-inflammatory properties. It helps reduce acne, unclog pores, and improve uneven skin tone over time.
MSM (Methylsulfonylmethane) (1%) Supports skin soothing and repair by reducing inflammation. It helps calm irritated skin and works well alongside active ingredients.
Niacinamide (Vitamin B3) Helps brighten the complexion and regulate oil production. It also strengthens the skin barrier and improves overall texture.
Panthenol (Pro-Vitamin B5) Provides hydration and soothes sensitive skin. It supports the skin barrier and reduces dryness caused by actives.
Hyaluronic Acid (Sodium Hyaluronate) Draws moisture into the skin to maintain hydration levels. It keeps the skin plump and comfortable during treatment.
Allantoin A calming ingredient that helps reduce irritation and supports skin healing, making the formula more tolerable.
Best For: • ✅ Acne-Prone Skin — breakout control • ✅ Oily Skin — oil balance • ✅ Combination Skin — texture care • ✅ Sensitive Skin — calming support
Targets These Concerns: • Acne and breakouts • Redness • Uneven texture • Dark spots
Not Recommended For: • ⚠️ Very dry skin — may need extra hydration support
How to Use
Cleanse Skin — Start with a gentle cleanser and pat dry
Apply Serum — Use 2–3 drops and spread evenly over face
Focus Areas — Apply extra on problem areas if needed
Seal with Moisturizer — Follow with a hydrating cream
Use: Both Where in routine: After toner, before moisturizer Pro Tip: Start using every other day, then increase frequency as your skin builds tolerance
Disclaimer
Please check the product in front of the delivery person. Once delivery is completed, no complaints or exchanges will be accepted. Product packaging may change from time to time, so you may receive either the old or new version — this is completely normal.
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