Revolution Skincare London, 10% Niacinamide + 1% Zinc Serum, Tackles Blemishes, Minimises Pore Appearance, Face Serum, 30 ml vs Cos De BAHA Niacinamide 10% Serum 30ml - Tightens Pores, Reduces Wrinkles, Repairs Skin, Vitamin B3

Pros

• ✓Clinical-grade 10% niacinamide concentration — at the top of the evidence-supported range for sebum control, pore minimisation, and brightening
• ✓Zinc PCA (1%) provides synergistic anti-inflammatory and antibacterial action, particularly beneficial for acne-prone skin
• ✓Lightweight, non-sticky, fast-absorbing texture praised consistently across reviews
• ✓Fragrance-free formulation reduces irritation risk and makes it compatible with layering routines

Cons

• ✗Full INCI list not provided — carrier and preservative system cannot be fully evaluated for comedogenicity or irritants
• ✗10% niacinamide may trigger transient flushing or tingling in individuals with niacin sensitivity (rare but documented)
• ✗Watery consistency requires shaking before use; application technique (palm-warming) recommended to avoid uneven coverage
• ✗One reviewer flagged it may feel too strong for non-oily or dry skin types, though this is anecdotal

Best For

Pros

• ✓High 10% niacinamide concentration — clinically supported for pore tightening, sebum regulation, and hyperpigmentation
• ✓Complementary actives: zinc (sebum/anti-acne), allantoin (soothing), hyaluronic acid (hydration), aloe
• ✓Lightweight, water-like texture absorbs quickly and layers well under makeup and other serums
• ✓Excellent value — repeatedly highlighted as an affordable alternative to premium serums

Cons

• ✗Can pill when layered over certain serums or heavier textures — application order matters
• ✗One reported allergic rash — patch test recommended, especially for reactive skin
• ✗Packaging complaint: bottle not filled to capacity in some units
• ✗10% niacinamide may cause flushing or transient redness for very sensitive or rosacea-prone skin

Best For