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

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!

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!

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

I've been using cosIQ's Vitamin B-3 - 20% Niacinamide Serum, and I am genuinely impressed with the results. This serum is a perfect blend of 5% niacinamide 2% peptides, and 1% hyaluronic acid, making it a powerhouse for healthy, radiant skin. The niacinamide works wonders for minimizing my pores and reducing redness, leaving my skin visibly smoother and more even-toned.The added peptides give my skin a firm, youthful look, while the hyaluronic acid keeps it deeply hydrated without feeling greasy or heavy.What I love most is how quickly my skin absorbed the serum and how lightweight it feels. It's become a must-have in my skincare routine.

I liked this serum very much, it’s watery texture. I loved it. I’m thoroughly impressed with the results. The serum has a silky texture that absorbs quickly and leaves no residue. I highly recommend it to anyone looking for a boost in their skincare routine❤️

This 20% Niacinamide Serum is a game-changer! It’s lightweight, absorbs fast, and leaves a healthy glow. My acne marks have faded, my skin feels smoother, and my pores look smaller. No irritation, no greasiness—just hydrated, balanced skin. Definitely repurchasing!

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.