Superb and effective

Really happy with this product. It feels light on my skin and isn't sticky at all. I noticed a nice glow after using it. Definitely recommend it.

If anyone is dealing with acne scars, dark spots, or oily, this serum is your savior 😍. I started using it every night after cleansing and within 2 weeks… my skin was like W...Read More

Loved this product. It suits my skin and is non-sticky. It really helped brighten my skin. I love it and highly recommend it.

Company claims to reduce pores with consistent usage. I am at the end of my first bottle but do not see any difference.

Vitamin B3 serum is best for glowing skin; for best results, use daily at night with sunscreen.

I have used this face serum, I am totally in love with it. Because after using this I feel very glowing and light on my skin.

This product combines Niacinamide, Hyaluronic Acid, and Peptide Complexes, making it an excellent choice for hydration, skin repair, and anti-aging. The lightweight texture a...Read More

The packaging itself was so cute, and I felt my skin getting softer just from the 1st use. Beautiful product.

It's gentle on skin and helps in reducing pores. I'm satisfied with my purchase.

I have used this serum, and I am in love this it because after using it, I feel very glowing and light on my skin. 💞

First of all I have received this before time and started using right after receiving it. It feels like nothing in my skin and feels really good on my oily skin. It's a must ...Read More

I have open pores, and I've noticed they've become a bit minimized after consistently using this product.

It's really helpful fades my I can see visible results in a week.

This helped repair my barrier and smooth my skin out, it also helped with dullness.

My skin is glowing just go for it .

After using this serum my skin feels more hydrated, glowing and healthy. Loving it

Been using this for more than a month now. Has cleared up my acne after using it with 2% salicylic acid. Removed all my dark spots. Has helped with my acne scars greatly and ...Read More

This Niacinamide Vitamin B3 serum by Cos-IQ helps to remove dark spots and blemishes. Makes my skin healthier and brighter. Hydrates my skin. Totally loved it. 😍

Absorb in my skin very nicely and not at all sticky like other serums in the market. Minimize my pore very effectively