9
Shared Ingredients
Cos De BAHA BHA Salicylic Acid Serum 4% with Niacinamide vs Cos De BAHA S2 Salicylic Acid BHA 2% Liquid
Comparing Cos De BAHA BHA Salicylic Acid Serum 4% with Niacinamide versus Cos De BAHA S2 Salicylic Acid BHA 2% Liquid — shared ingredients, unique components, comedogenic & irritancy ratings and unique benefits.
Comparison Overview
Product 1
Cos De BAHA BHA Salicylic Acid Serum 4% with Niacinamide
vs
Product 2
Cos De BAHA S2 Salicylic Acid BHA 2% Liquid
3
Unique to Cos De BAHA BHA Salicylic Acid Serum 4% with Niacinamide
3
Unique to Cos De BAHA S2 Salicylic Acid BHA 2% Liquid
Neither product contains highly comedogenic ingredients (rating ≥ 3), making both suitable for acne-prone skin. Both products have a similar irritancy profile (45% of rated ingredients score ≥ 3). Both products share 9 ingredients in common. Cos De BAHA BHA Salicylic Acid Serum 4% with Niacinamide has 3 unique ingredients while Cos De BAHA S2 Salicylic Acid BHA 2% Liquid has 3.
Skin Safety Profile
0%
Comedogenic
5 rated
75%
Safe
12 rated
45%
Irritant
11 rated
Based on 12 rated ingredient s
0%
Comedogenic
6 rated
75%
Safe
12 rated
45%
Irritant
11 rated
Based on 12 rated ingredient s
Product Benefits & Effects
✓Positive — Beneficial effects !Caution — Monitor closely
BHA Salicylic Acid Serum 4% with Niacinamide Benefits
✓Good For Oily Skin✓Acne Fighting✓Has skin-brightening properties!May cause dryness for some skin types!May cause irritation for some skin types✓Redness Reducing!May Worsen Eczema✓Reduces Large Pores
S2 Salicylic Acid BHA 2% Liquid Benefits
No effect data available for this product.
Ingredient Analysis Matrix
Scale 1 2 3 4 5 low → high
C = Comedogenic S = Safety risk IR = Irritancy
Shared Ingredients (9)
1
Ingredients — Unique to Cos De BAHA BHA Salicylic Acid Serum 4% with Niacinamide
2
Ingredients — Unique to Cos De BAHA S2 Salicylic Acid BHA 2% Liquid
Frequently Asked Questions
Is Cos De BAHA BHA Salicylic Acid Serum 4% with Niacinamide better than Cos De BAHA S2 Salicylic Acid BHA 2% Liquid for sensitive skin?
By comparing BHA Salicylic Acid Serum 4% with Niacinamide and S2 Salicylic Acid BHA 2% Liquid side-by-side, you can identify which product has fewer irritants and a better safety profile for sensitive skin. Check the irritancy ratings in the comparison matrix above.
Which product, BHA Salicylic Acid Serum 4% with Niacinamide or S2 Salicylic Acid BHA 2% Liquid, is safer for acne-prone skin?
The comparison tool highlights comedogenic (pore-clogging) ingredients in both BHA Salicylic Acid Serum 4% with Niacinamide and S2 Salicylic Acid BHA 2% Liquid. Review the comedogenic ratings above to see which formulation is less likely to cause breakouts.
Do BHA Salicylic Acid Serum 4% with Niacinamide and S2 Salicylic Acid BHA 2% Liquid share any ingredients?
Our ingredient analysis matrix lists all shared ingredients as well as those unique to either BHA Salicylic Acid Serum 4% with Niacinamide or S2 Salicylic Acid BHA 2% Liquid.
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