Cos De Baha (S4) Salicylic Acid BHA 4% Serum 30ml
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Product Description:
Tired of stubborn blackheads, persistent breakouts, and congested pores? The Cos De Baha (S4) Serum is a high-potency treatment designed for those who need more than just a basic cleanser. Featuring a professional-grade 4% Salicylic Acid (BHA), this serum dives deep into the pores to dissolve the "glue" that binds dead skin cells and excess sebum together.
Unlike lower-strength exfoliants, the S4 serum is formulated to tackle cystic acne and deep-seated congestion while using an Aloe Vera base to help buffer the intensity of the acid.
Why It’s a Blemish-Fighter’s Favorite:
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Extra-Strength Exfoliation: 4% BHA (Salicylic Acid) is twice the concentration of standard over-the-counter treatments.
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Deep Pore Cleansing: Effectively dissolves oil and debris to shrink the appearance of enlarged pores.
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Targets Blackheads & Whiteheads: Clears out existing congestion and prevents new blockages from forming.
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Reduces Inflammation: Salicylic Acid is naturally anti-inflammatory, helping to calm the redness of active "angry" pimples.
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Oil Control: Regulates sebum production to keep your skin matte and fresh throughout the day.
Key Ingredients:
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4% Salicylic Acid (BHA): An oil-soluble acid that penetrates deep into pores to treat acne and exfoliate.
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Organic Aloe Vera Leaf Extract: Replaces water as the base to soothe and protect the skin from dryness.
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Niacinamide (Vitamin B3): Works to fade post-acne marks and improve skin texture.
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Chestnut Shell Extract: Provides natural tannins to help tighten pores.
How to Use (Crucial Instructions):
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Patch Test: Because this is a high-strength (4%) acid, always test a small area 24 hours before full application.
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Apply: After cleansing, apply 1–2 drops specifically to "trouble areas" or the entire face.
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Frequency: Start by using twice a week. Gradually increase frequency as your skin builds tolerance.
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Sun Protection: BHA increases sun sensitivity. You must wear SPF 30+ daily while using this serum.
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Note: It is normal to experience a "purging" phase where deep clogs come to the surface. This typically subsides within 2–4 weeks.
Product Specifications:
| Feature | Details |
| Volume | 30ml (Dropper Bottle) |
| Active Strength | 4% Salicylic Acid (BHA) |
| Best For | Acne, Blackheads, Oily Skin, and Clogged Pores |
| Skin Type | Oily and Acne-Prone (Not recommended for very sensitive skin) |
| pH Level | $3.4\ \text{--}\ 3.6$ (Optimal for exfoliation) |