Cos-IQ Vitamin CEF 20% Glow Boost Face Serum - All Reviews
Nykaa is committed to showing genuine and verified reviews.
4.3/5
Overall Rating103 verified ratings
Write a review and win 100 reward points !
Refine Reviews By
sort iconMost Useful
close icon
avatar
Inder Kumarright iconVerified Buyers
5star
25/10/2025
"Awesome "

It reduces my dark spots and makes my skin brighter and smoother.

review pic
thumb
Helpful
    Cos-IQ Vitamin CEF 20% Glow Boost Face Serum

    Cos-IQ Vitamin CEF 20% Glow Boost Face Serum

    Regular price ₹999. Discounted price ₹649. 35% Off.
    ( 103 )
    avatar
    Inder Kumarright iconVerified Buyers
    5star
    25/10/2025
    "Awesome "

    It reduces my dark spots and makes my skin brighter and smoother.

    thumb
    Helpful
    avatar
    PP Tright iconVerified Buyers
    5star
    24/12/2023
    "Good"

    Very good product. Good good results with in 2 weeks. I used around 4 drops every morning before applying sunscreen

    thumb
    Helpful
    3people found this helpful
    avatar
    Anish chaubeyright iconVerified Buyers
    5star
    07/11/2025
    "Visible Glow "

    My skin started looking fresher and brighter within a week. It feels smooth and lightweight.

    thumb
    Helpful
    1people found this helpful
    avatar
    Altamas Khanright iconVerified Buyers
    5star
    21/09/2025
    "Glow Boost "

    Tried the Vitamin CEF20 Serum and it works brilliantly on men’s skin. I was worried it would feel heavy, but it’s lightweight, non-greasy and my skin looks fresher and bright...Read More

    thumb
    Helpful
    avatar
    Vineet Kumarright iconVerified Buyers
    1star
    23/03/2024
    "Don't ever use this product "

    I only used this product for a week and got 2 patches on my face. I have been using Cosiq sunscreen and moisturizer for last 4-5 months so wanted to try this serum. It neve...Read More

    thumb
    Helpful
    2people found this helpful
    avatar
    Vipin Kumarright iconVerified Buyers
    5star
    17/10/2025
    "Glow Booster"

    Absorbs quickly, feels smooth, and adds visible radiance in a few weeks. Overall, a great pick for dull or uneven skin.

    thumb
    Helpful
    avatar
    mubashiraright iconVerified Buyers
    5star
    17/07/2025
    ""Nice" "

    Lightweight vitamin c serum, go for it .

    thumb
    Helpful
    avatar
    Anreyaright iconVerified Buyers
    5star
    15/08/2025
    "In love"

    I’ve been using the CosIQ Vitamin C 20% Face Serum and it has truly transformed my skin! The serum feels lightweight and absorbs quickly without leaving any stickiness. Withi...Read More

    thumb
    Helpful
    1people found this helpful
    avatar
    Jennyright iconVerified Buyers
    5star
    07/06/2025
    "Nice serum "

    Best serum for face glow wow .

    thumb
    Helpful
    1people found this helpful
    avatar
    Bhoomika Yadavright iconVerified Buyers
    5star
    04/12/2024
    "My holy grail "

    After researching for almost all the vitamin c products available across India, I finally tried it. It's awesome. The packaging is airless so no oxidation occurs. No stinging...Read More

    thumb
    Helpful
    3people found this helpful
    avatar
    Rekha Gurjar7right iconVerified Buyers
    5star
    23/09/2023
    "Serum"

    One off my best serum for oily skin

    thumb
    Helpful
    avatar
    Janak Gohilright iconVerified Buyers
    5star
    05/11/2025
    "Nice glow"

    I really loved it I saw dark spot reduction and a little glow on the face after using it for a month.

    thumb
    Helpful
    avatar
    Yashi Tapariaright iconVerified Buyers
    5star
    03/11/2025
    "Wonderful serum"

    Used for a week now, and the serum looks soothing for oily skin. Have a watery texture and absorb well in seconds.

    thumb
    Helpful
    avatar
    Vishal Dhudumright iconVerified Buyers
    5star
    12/10/2025
    "Must try"

    Absorbs into the skin quickly and leaves no oily residue, no side effects, or irritation. Boosts glow and keeps hydrated.

    thumb
    Helpful
    avatar
    Zuha Hussainright iconVerified Buyers
    5star
    04/10/2025
    "Must buy "

    This serum does what it claims. I have been using this product for a few weeks now, and I can see a visible difference.

    thumb
    Helpful
    avatar
    Aanchalright iconVerified Buyers
    5star
    03/08/2025
    "Outstanding "

    Very nice serum, it brightness your skin and make it glowing, must buy product, if you are skincare addict then buy it right now .

    thumb
    Helpful
    1people found this helpful
    avatar
    Anonymousright iconVerified Buyers
    5star
    28/07/2025
    "Best product"

    I brought this product last week and it works like magic😊 my face now shines like crystal ❤️ thank you nykaa made my money worth.

    thumb
    Helpful
    1people found this helpful
    avatar
    Archanaright iconVerified Buyers
    5star
    30/05/2025
    "Hydrating"

    Lightweight, hydrating, and super refreshing!

    thumb
    Helpful
    avatar
    kritiright iconVerified Buyers
    5star
    30/05/2025
    "Provides glow"

    My skin tone is noticeably more even and luminous.

    thumb
    Helpful
    avatar
    Nisha Sainiright iconVerified Buyers
    5star
    24/11/2024
    "Good for it!"

    Such a good texture..with glowing look ...jut wow

    thumb
    Helpful
    How may we help you