Trying for the first time, it felt good

It is a lovely serum which helps in brightening the skin and it reduces dark spots & hyperpigmentation. If you are not a beginner then you can try this serum. Totally worth it

Feels super light and non-sticky, giving a clean glow with regular use. It helps fade dullness and minor dark spots without irritation.

Very soothing.

The serum has nice result. I like it .

This serum se good for face lighter and Glowing face .

Best 💕 for dry skin this product is worth it.

It’s a best vitamin c serum

Say hello to glass like skin after using this serum, must say worked really well for my combination skin type. The serum starts to warm up as you massage it on your face. I f...Read More

I can feel the glow,,, but the pigmentation part..i am yet to see any difference

It’s really nice serum. I started to see changes.

With 2-3 days it started showing results my skin feels smooth and soft. Acne scars are getting lighter.

This product is so good on skin. Yes, this dries out skin little bit. But formula really works well.

This bottle has only 2 ingredients and Vit.-c is absolute must in any skin care regime and this product just gives you the best proportion.

Cos-iQ you are the best..

I can see visible result just in week after using regularly every night....it really fade all uneven skin tone n gave me fresh look.....happy...thank u cos iq...keep giving u...Read More

Lightweight and fast-absorbing, it gives a quick glow, fades dark spots, and makes skin look fresh and bright.

Perfect Vitamin C serum! No irritation, no greasiness, just clean glowing skin.

I’ve been using this for a few weeks, and my skin looks so much brighter now! Love that it’s clean, simple, and actually works.

Keeps my face hydrated in this winter. Very useful and value-for-money product.