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.

Superb and effective

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

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.

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

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

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.

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

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

It faded my blemishes after a few days of use. I really loved it.