DOWNLOAD THE APP
Customer Services
Copyright © 2025 Desertcart Holdings Limited
DOWNLOAD THE APP
✨ Glow like you mean it — because your skin deserves the spotlight!
Cos-IQ 20% Vitamin C Serum is a scientifically formulated anti-aging powerhouse combining 20% pure ethylated Vitamin C with Vitamin E and Ferulic Acid. This 30ml serum delivers visible improvements in skin brightness, elasticity, and tone while reducing wrinkles, fine lines, and dark spots. Clinically proven to reduce oxidative damage from UV rays and pollution by up to 41%, it’s a lightweight, fast-absorbing solution designed for all skin types to achieve radiant, youthful skin in just 30 days.
| ASIN | B0BTR7SNV1 |
| ASIN | B0BTR7SNV1 |
| Best Sellers Rank | #10,633 in Beauty ( See Top 100 in Beauty ) #353 in Serums |
| Country of Origin | India |
| Country of Origin | India |
| Customer Reviews | 4.1 4.1 out of 5 stars (344) |
| Date First Available | 2 February 2023 |
| Generic Name | Serum |
| Generic Name | Serum |
| Item Dimensions LxWxH | 20 x 20 x 30 Millimeters |
| Item Dimensions LxWxH | 20 x 20 x 30 Millimeters |
| Item Weight | 30 g |
| Item Weight | 30 g |
| Item model number | CEF20 |
| Item model number | CEF20 |
| Manufacturer | CEF features a synergistic antioxidant combination of 20% pure vitamin C (L-ascorbic acid), 1% vitamin E (alpha tocopherol), and 0.5% ferulic acid to enhance protection against environmental damage caused by free radicals that can contribute to atmospheric aging. CEF is now proven to reduce combined oxidative damage generated by UVA/UVB rays, ozone pollution, and diesel engine exhaust by up to 41%… |
| Manufacturer | CEF features a synergistic antioxidant combination of 20% pure vitamin C (L-ascorbic acid), 1% vitamin E (alpha tocopherol), and 0.5% ferulic acid to enhance protection against environmental damage caused by free radicals that can contribute to atmospheric aging. CEF is now proven to reduce combined oxidative damage generated by UVA/UVB rays, ozone pollution, and diesel engine exhaust by up to 41%… |
| Net Quantity | 30.0 Milliliters |
| Net Quantity | 30.0 Milliliters |
| Packer | Inlabs Lifesciences Pvt Ltd., Delhi 110095, Email: [email protected] |
| Packer | Inlabs Lifesciences Pvt Ltd., Delhi 110095, Email: [email protected] |
| Product Dimensions | 2 x 2 x 3 cm; 30 g |
| Product Dimensions | 2 x 2 x 3 cm; 30 g |
S**B
Awesome product, highly recommended
I'm absolutely loving this skin care product. My skin feels smoother, looks brighter, and the fine lines have reduced significantly. The formula is lightweight, non-greasy, and absorbs quickly. Highly recommend for anyone looking for a effective and gentle solution for their skin concerns.
V**T
Noticeable Glow and Smooth Skin in Just a Week!
I've been using the COSIQ Vitamin CEF-20% Face Serum for a week now, and I'm genuinely impressed. The texture is lightweight and absorbs quickly without leaving any greasy residue. Within a few days, I noticed my skin looking brighter and more radiant. The serum claims to reduce dark spots and hyperpigmentation, and I can already see a slight improvement in my uneven skin tone. My fine lines also look a bit softer, and my skin feels more elastic and hydrated. I especially love that it uses Ethylated Ascorbic Acid – it's gentle but effective. Overall, a great product if you're looking for brighter, healthier-looking skin. Definitely worth trying!
L**A
Happy
Happy with the results of this serum. Protects skin from dryness. Very effective for dry skin and texture of serum is good blends well into skin and fragrance is good.
U**H
Best vitamin C serum for people looking without making the skin care routine complicated.
With regular use, my skin looks brighter and more even. Some old dullness has reduced, and my face feels fresher overall. it’s a good vitamin C serum for people looking to improve brightness, glow, and skin clarity without making the routine complicated.
K**R
Sticky for oily. Skin
Not great
U**.
Worst product
Worst vit C I have ever used.... complete waste of money
T**I
Good serum for daily use
This Cos-IQ Vitamin C 20% Serum is a potent, science-backed antioxidant formula designed for brightening and anti-aging.
S**A
"Lightweight & Effective Vitamin C Serum"
Amazing Vitamin C Serum! I’ve been using this CosIQ Vitamin CEF-20% Face Serum for a few weeks and the results are impressive! My skin feels brighter, more hydrated, and visibly smooth. It has reduced dark spots and fine lines, giving my face a healthy glow. The formula is lightweight, non-sticky, and absorbs quickly into the skin. Perfect for daily use, and the packaging is travel-friendly too. Highly recommended for anyone looking to improve skin texture and brightness.
Trustpilot
5 days ago
1 month ago