Cos De BAHA – Salicylic Acid 4% Serum (S4) – 30 ml – an advanced exfoliating serum formulated with 4% Salicylic Acid (BHA) and Niacinamide to deeply cleanse pores, regulate oil, and smooth texture while supporting barrier health. Ideal for oily, combination, or acne-prone skin seeking clarity and refinement.
Product contains:
Salicylic Acid (4%) – penetrates deep into pores to dissolve sebum, reduce blackheads, and clarify the skin.
Niacinamide – brightens dull tone, reduces pore appearance, and strengthens the skin barrier.
Aloe Barbadensis Leaf Extract – soothes irritation and provides hydration for a gentler exfoliating experience.
Camellia Sinensis (Green Tea) Leaf Extract – antioxidant-rich extract that calms redness and supports healthy skin.
Lavandula Angustifolia (Lavender) Flower Extract, Melissa Officinalis Leaf Extract, Artemisia Vulgaris Extract – plant extracts that help soothe, reduce inflammation, and balance the skin.
Product effects:
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unclogs and refines pores
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controls excess oil and removes buildup
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exfoliates dead skin cells for smoother texture
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brightens and evens skin tone
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leaves skin clearer, calmer, and more balanced
Recommended for:
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oily, combination or breakout-prone skin
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visible blackheads, enlarged pores or congestion
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rough or uneven texture
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those looking for a gentle yet effective acid treatment
How to use:
After cleansing and toning, apply 1-2 drops of the serum evenly to the face and neck in the evening.
Follow with moisturizer. If using for the first time, patch test behind the ear and observe for 24 hours.
Use 2-3 times per week or as tolerated.
Capacity: 30 ml
Expiration date: see packaging.
Country of origin: South Korea.
