
Cos De BAHA Salicylic Acid BHA 4% Serum 30ml (S4)
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The Cos De BAHA Salicylic Acid BHA 4% Serum (S4) is a powerful and targeted solution for acne-prone and oily skin. Its high-strength BHA formula penetrates deep into pores to unclog them, reduce blackheads, and prevent breakouts, while niacinamide and aloe vera provide soothing, hydration, and barrier support. The serum also works to brighten the complexion, minimize pores, and improve overall skin texture, leaving your skin smoother, clearer, and healthier. Enriched with calming botanical extracts, it’s designed to be effective yet gentle, making it suitable for sensitive or irritated skin when introduced gradually. Lightweight and fast-absorbing, this serum integrates seamlessly into your skincare routine, providing consistent results for a radiant, blemish-free complexion. Skinnora ensures 100% authentic Korean skincare, making it a reliable choice for anyone seeking healthy, glowing skin.
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Description
Description
The Cos De BAHA Salicylic Acid BHA 4% Serum (S4) is a highly effective Korean skincare treatment designed for oily, acne-prone, and blemish-prone skin. With a potent 4% salicylic acid formula, it deeply exfoliates pores, removes dead skin cells, and prevents blackheads and breakouts. Enriched with niacinamide and aloe vera, this lightweight serum also soothes, hydrates, and balances the skin, making it an ideal choice for anyone seeking clearer, smoother, and healthier-looking skin.
About the brand

Cos De Baha
More ProductsA Korean brand specializing in high-concentration, affordable serums featuring potent actives like Azelaic Acid and Niacinamide. They focus on "clean beauty" and professional-level results for diverse skin concerns.
More from Cos De Baha
Key Benefits
Key Benefits
Deeply Exfoliates Pores: Salicylic acid penetrates deeply to unclog pores and remove impurities.
Prevents Breakouts & Blackheads: Reduces existing pimples and helps prevent future acne.
Soothes & Calms Skin: Niacinamide and aloe help reduce redness and irritation.
Brightens & Evens Skin Tone: Helps fade dark spots and improve overall complexion.
Improves Skin Texture: Promotes smoother, softer, and more refined skin.
Gentle Yet Effective: Suitable for sensitive skin when used as directed.
Key Ingredients & Benefits
Key Ingredients & Benefits
Salicylic Acid 4% (BHA): Oil-soluble exfoliant that clears clogged pores, removes dead skin cells, and helps prevent acne.
Niacinamide: Calms inflammation, reduces redness, minimizes pores, and brightens the complexion.
Aloe Barbadensis Leaf Extract: Soothes and hydrates the skin while counteracting dryness from BHA.
Botanical Extracts (Rosa Damascena, Lavender, Camellia Sinensis, Melissa, Artemisia): Provide calming, antibacterial, and antioxidant benefits for healthier skin.
How to Use
How to Use
1️⃣ Cleanse Your Skin: Start with freshly cleansed and dry skin.
2️⃣ Apply the Serum: Dispense a few drops onto your palm or cotton pad and gently spread over the face, focusing on acne-prone areas.
3️⃣ Start Slowly: Begin with 2–3 times per week, gradually increasing frequency as tolerated.
4️⃣ Follow with Moisturizer: Lock in hydration to keep skin balanced and calm.
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Major Ingredients
Major Ingredients
Aloe Barbadensis Leaf Extract, Propanediol, Salicylic Acid (4%), 1,2-Hexanediol, Sodium Citrate, Polysorbate 20, Niacinamide, Rosa Damascena Extract, Lavandula Angustifolia Flower Extract, Camellia Sinensis Leaf Extract, Melissa Officinalis Leaf Extract, Artemisia Vulgaris Extract, Hydroxyethylcellulose
Disclaimer
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.

Cos De BAHA Salicylic Acid BHA 4% Serum 30ml (S4)
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