Cos De BAHA Niacinamide 10% Serum (N) 30ml

Cos De BAHA Niacinamide 10% Serum (N) 30ml is a targeted Korean brightening serum that works to even out skin tone and refine texture, making it a smart choice for anyone noticing dullness, dark marks, or enlarged pores. In Bangladesh’s year-round UV and humidity, these concerns often deepen faster than the skin can repair itself—this serum gives your routine a precise, high-strength tool to help manage them. Lightweight and fast-absorbing, it layers easily under moisturiser and sunscreen without feeling heavy or sticky, even on the most humid Dhaka afternoons.

What is Cos De BAHA Niacinamide 10% Serum (N) 30ml, and how does it work?

Cos De BAHA Niacinamide 10% Serum (N) 30ml is a water-based serum that delivers a stable, high concentration of niacinamide—10%—to help regulate melanin production and strengthen the skin barrier. Niacinamide, also known as vitamin B3, is a water-soluble vitamin that supports the skin’s natural renewal process. It works by inhibiting the transfer of pigment to the skin’s surface, which helps reduce the appearance of dark spots and uneven tone over time. It also helps regulate sebum production, making pores appear smaller and skin feel smoother.

The formula includes hyaluronic acid to draw moisture into the skin, preventing the dryness that can sometimes accompany high-strength niacinamide. This balance makes the serum suitable for both oily and combination skin types, especially in climates where humidity can make hydration a challenge.

Best for these skin types and concerns

• Skin with visible dark marks, sun spots, or post-acne hyperpigmentation
• Oily or combination skin prone to enlarged pores and shine
• Dull, uneven skin tone that lacks radiance
• Sensitive skin that reacts to stronger actives like vitamin C or retinol
• Anyone looking to strengthen their skin barrier against pollution and UV damage
• Skin that needs a lightweight, non-greasy brightening step in a humid climate

While niacinamide is generally well-tolerated, very sensitive or compromised skin should patch test first—some users may experience mild redness or tingling on initial use.

How to use Cos De BAHA Niacinamide 10% Serum (N) 30ml

1. After cleansing and toning, apply 2-3 drops of the serum to your face and neck. A little goes a long way—more won’t speed up results.
2. Gently press the serum into the skin with your fingertips. Avoid rubbing, which can cause unnecessary friction.
3. Use morning and evening, but always follow with moisturiser to lock in hydration.
4. In the morning, apply sunscreen (SPF 30 or higher) as the final step—niacinamide helps protect against UV damage, but it doesn’t replace sun protection. Bangladesh’s strong UV rays can worsen pigmentation, so this step is non-negotiable.
5. For best results, use consistently for at least 4-6 weeks. Brightening and pore refinement are gradual processes.

What to expect over time

Cos De BAHA Niacinamide 10% Serum (N) 30ml doesn’t work overnight, but with regular use, you’ll notice a more even, refined complexion. Dark marks may start to fade after 4 weeks, while pore appearance and skin texture improve steadily. The serum’s lightweight feel makes it easy to stick with, even in Bangladesh’s heat and humidity—no heavy layers or greasy residue. Pair it with daily sunscreen, and you’ll help prevent new pigmentation from forming, giving your skin the best chance to stay clear and balanced.

Check on Delivery: Inspect the product carefully when you receive your order. Packaging can vary between batches while the product remains the same original item.

Storage: Store in a cool, dry place away from direct sunlight. Keep out of reach of children. Check expiry date on packaging before use.

Patch Test: If you have sensitive skin, apply a small amount to your inner wrist and wait 24 hours before full use. Stop use if irritation occurs.