--- product_id: 509578356 title: "- Cos-IQ 20% Vitamin C Serum, 30ml | With Vitamin E & Ferulic Acid" brand: "cos-iq" price: "S$9" currency: SGD in_stock: true category: "Cos Iq" url: https://www.desertcart.sg/products/509578356-cos-iq-20-vitamin-c-serum-30ml-with-vitamin-e store_origin: SG region: Singapore --- # Protects against UVA/UVB & pollution 20% pure Vitamin C serum concentration 41% reduction in oxidative damage - Cos-IQ 20% Vitamin C Serum, 30ml | With Vitamin E & Ferulic Acid **Brand:** cos-iq **Price:** S$9 **Availability:** ✅ In Stock ## Summary > ✨ Glow like you mean it — because your skin deserves the spotlight! ## Quick Answers - **What is this?** - Cos-IQ 20% Vitamin C Serum, 30ml | With Vitamin E & Ferulic Acid by cos-iq - **How much does it cost?** S$9 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.sg](https://www.desertcart.sg/products/509578356-cos-iq-20-vitamin-c-serum-30ml-with-vitamin-e) ## Best For - cos-iq enthusiasts ## Why This Product - Trusted cos-iq brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Age Gracefully:** Visibly reduces fine lines, wrinkles & dark spots for a youthful bounce - • **All-Day Defense:** Powerful antioxidants protect against UV rays, pollution & oxidative stress - • **Shield Your Glow:** Synergistic Vitamin E & Ferulic Acid combo cuts environmental damage by 41% - • **Radiance Reloaded:** Potent 20% Ethylated Vitamin C brightens and smooths skin fast - • **Lightweight Luxury:** Non-greasy, fast-absorbing formula perfect for all skin types and busy lifestyles ## Overview 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. ## Description Cos-IQ 20% Vitamin C Serum, 30ml | With Vitamin E & Ferulic Acid | Glowing & Brightening | Potent Antioxidant Blend, Fades Dark Spots & Pigmentation, Boosts Glow & Collagen, Dermat-Tested : desertcart.in: Beauty ## Features - Visible anti-aging benefits, such as the improvement of the appearance of lines and wrinkles, loss of firmness, and brightens skin’s complexion - All round skin benefits brightens skin vitamin c in 3-o-ethyl ascorbic acid form has an immense brightening effect. It's formulated to make skin glow by removing blemishes and fine lines. Ethylated ascorbic acid is the most potent form vitamin c thats safe to use and penetrates the skin tone, giving it a radiant look. - Repairs & rejuvenates fights hyperpigmentation hyperpigmentation is caused due to unprotected sun exposure neutralizes free radicals and prevents inflammatory processes to slow down photoaging that causes pigmentation has a direct effect on hyperpigmentation, age spots & sun spots. The antioxidant properties of vitamin c protect against UV, pollution and environment induced photodamage. - Natural skin health evens skin tone active in fading pigmentation evens out skin tone protects the skin against premature aging triggered by free radicals that cause oxidative stress helps the skin produce collagen and elastin to make our skin soft and bouncy for both men and women maximum results guaranteed with our star ingredient. - Package Content: 1 Vitamin C-20% Face Serum; Quantity: 30ml; Item Form: Serum ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0BTR7SNV1 | | ASIN | B0BTR7SNV1 | | Active Ingredients | Vitamin-C (3-O-Ethyl Ascorbic Acid) Ethylated Ascorbic Acid | | Age Range Description | Adult | | Best Sellers Rank | #2,156 in Amazon Launchpad ( See Top 100 in Amazon Launchpad ) #855 in Serums | | Brand | COS-IQ | | Country of Origin | India | | Country of Origin | India | | Customer Reviews | 3.9 3.9 out of 5 stars (344) | | Date First Available | 2 February 2023 | | Generic Name | Serum | | Item Dimensions | 20 x 20 x 30 Millimeters | | Item Dimensions LxWxH | 20 x 20 x 30 Millimeters | | Item Form | Gel | | Item Highlight | Glowing & Brightening | Potent Antioxidant Blend, Fades Dark Spots & Pigmentation, Boosts Glow & Collagen, Dermat-Tested | | Item Type Name | Serum | | Item Volume | 30 Millilitres | | Item Weight | 30 Grams | | Item Weight | 30 g | | Item model number | CEF20 | | Manufacturer | Cos-IQ®, R.I. Ayurveda Research Labs, Dilshad Garden Industrial Area, G.T. Road, Delhi 110095 | | Manufacturer | Cos-IQ®, R.I. Ayurveda Research Labs, Dilshad Garden Industrial Area, G.T. Road, Delhi 110095 | | Manufacturer Contact Information | R.I. Ayurveda Research Labs, Dilshad Garden Industrial Area, G.T. Road, Delhi 110095 | | Manufacturer Part Number | CEF20 | | Material Features | Natural | | Material Type Free | (MEA/DEA/TEA), Silicones, Mineral Oils Free, Paraben Free, Phthalate Free, Sodium Lauryl Sulfate Free, Sulfate Free | | Model Number | CEF20 | | Net Quantity | 30.0 Milliliters | | Number of Items | 1 | | Other Special Features of the Product | Dermatologically Tested, High-Dose Vitamin C, Not Tested On Animals, Unscented | | Packer | Inlabs Lifesciences Pvt Ltd., Delhi 110095, Email: care@mycosiq.com | | Packer Contact Information | Inlabs Lifesciences Pvt Ltd., Delhi 110095, Email: care@mycosiq.com | | Product Benefits | Improves skin texture, brightens, reduce dark spots | | Product Dimensions | 2 x 2 x 3 cm; 30 g | | Recommended Uses For Product | Dark Spots, Wrinkles | | Scent | Unscented | | Skin Type | All, Combination, Normal, Oily, Sensitive | | Target Use Body Part | Face | | Unit Count | 30.0 Milliliters | ## Product Details - **Active Ingredients:** Vitamin-C (3-O-Ethyl Ascorbic Acid) Ethylated Ascorbic Acid - **Age Range (Description):** Adult - **Brand:** COS-IQ - **Item Form:** Gel - **Item Volume:** 30 Millilitres - **Item dimensions L x W x H:** 20 x 20 x 30 Millimeters - **Number of Items:** 1 - **Scent:** Unscented - **Skin Type:** All, Combination, Normal, Oily, Sensitive - **Special Feature:** Dermatologically Tested, High-Dose Vitamin C, Not Tested On Animals, Unscented ## Images ![- Cos-IQ 20% Vitamin C Serum, 30ml | With Vitamin E & Ferulic Acid - Image 1](https://m.media-amazon.com/images/I/712k64z34SL.jpg) ## Questions & Answers **Q: What is the percentage of Niacinamide in this serum?** A: It contains 20%EAA ethylated ascorbic acid, 1% Alpha Tocopherol & .5% Ferulic acid, it's ingredients is showing niacinamide but there isn't any percentage of same... ## Frequently Bought Together - Cos-IQ 20% Vitamin C Serum, 30ml | With Vitamin E & Ferulic Acid | Glowing & Brightening Skin | Anti-Aging Serum for Wrinkles, Fine Lines & Dark Spots | All Skin Types | 30-Days Pack - Cos-IQ 20% Niacinamide Face Serum For Clear Glowing Skin, Bright Skin, Reduces Dullness, Hydrates & Repairs Skin with Vit B3 & Hyaluronic Acid for Targets Acne Marks | For Women & Men | 30ml - Cos-IQ CPM 2% Ceramides Moisturizer with Peptides for Intense Moisturizing and Skin Strengthening | Barrier Repair Cream | For Oily, Dry, Normal & Sensitive Skin | 100ml --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.sg/products/509578356-cos-iq-20-vitamin-c-serum-30ml-with-vitamin-e](https://www.desertcart.sg/products/509578356-cos-iq-20-vitamin-c-serum-30ml-with-vitamin-e) --- *Product available on Desertcart Singapore* *Store origin: SG* *Last updated: 2026-11-08*