Cos-IQ 5% Niacinamide Face Serum for Clear Glowing Skin, Reduces Dullness, Hydrates & Repairs Skin with Vit B3 & Hyaluronic Acid, Day & Night Serum | For Women & Men | 30ml

I've been using the COSIQ Niacinamide B3-10% Serum for a few weeks, and the results are amazing! My skin feels smoother, more even-toned, and my dark spots have visibly reduced. The lightweight formula absorbs quickly without feeling sticky, and I love that it has aloe vera and hyaluronic acid for extra hydration. It layers well under moisturizer and sunscreen, making it perfect for daily use. If you're looking for a gentle yet effective niacinamide serum, this is definitely worth trying. Highly recommend!

Amazing results! My skin feels softer, hydrated, and visibly brighter. No irritation at all. Great value for money.

Very good for oily acne pores skin.Affordable.Abosrbs in skin .Smooth in texture.Easy to applying

The CosIQ Vitamin B3-20% Face Serum is a powerful yet lightweight formula that helps brighten skin, reduce pigmentation, and improve texture. With a high 20% Niacinamide concentration, it effectively controls oil, minimizes pores, and strengthens the skin barrier. The non-sticky texture absorbs quickly, making it great for daily use. If you’re looking for a potent brightening and skin-repairing serum, this is a fantastic choice!

This serum is great, reduces acne marks and dullness. Niacinamide and hyaluronic acid hydrate and repair skin. Skin looks brighter and smoother. Small bottle but seems effective. Suitable for both men and women.

It is an amazing lightweight serum which really hydrates your skin . Don’t be tensed because it doesn’t makes any skin irritation an it brightens up your skin tone. It is ease to apply as all you need is just to pump the required amount of serum and apply all over your face and then gently message in circular motion. It reduces dark spots. Outstanding quality of the product.

This serum helps to even out the skin tone and has some work on the skin barrier and has worked for a bit and it has worked😅

I've been using the CosIQ Vitamin B3 20% Niacinamide Serum and I can confidently say this product is a game changer! My skin has never looked this clear and glowing.With 20% niacinamide, it tackles multiple skin issues at once. My acne scars have visibly faded, and my skin tone looks much more even.The serum is non-greasy and absorbs quickly into the skin, making it perfect for layering with other products.My pores look refined, and within just a couple of days, I noticed reduced breakouts and a natural glow on my face. If you’re struggling with dull skin, acne marks, or uneven texture, this serum is worth every penny. I can’t wait to see how much more my skin improves with continued use! Highly recommend it to anyone looking for a high-quality niacinamide serum.