--- product_id: 659596294 title: "Cos-IQ 20% Vitamin C Face Serum With Vit E, & Ferulic Acid | Safe and Effective Skin Brightening Serum for Glowing Skin, Protects Against, Wrinkles, Fine Lines, Dark Spots | 30ml" brand: "cos-iq" price: "€ 25.68" currency: EUR in_stock: true category: "Cos Iq" url: https://www.desertcart.be/products/659596294-cos-iq-20-vitamin-c-face-serum-with-vit-e store_origin: BE region: Belgium --- # Visible brightening & anti-aging 20% pure Vitamin C potency 41% reduction in oxidative damage Cos-IQ 20% Vitamin C Face Serum With Vit E, & Ferulic Acid | Safe and Effective Skin Brightening Serum for Glowing Skin, Protects Against, Wrinkles, Fine Lines, Dark Spots | 30ml **Brand:** cos-iq **Price:** € 25.68 **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 Face Serum With Vit E, & Ferulic Acid | Safe and Effective Skin Brightening Serum for Glowing Skin, Protects Against, Wrinkles, Fine Lines, Dark Spots | 30ml by cos-iq - **How much does it cost?** € 25.68 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.be](https://www.desertcart.be/products/659596294-cos-iq-20-vitamin-c-face-serum-with-vit-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-Defying Radiance:** Smooths fine lines, wrinkles, and firms skin for a youthful, glowing complexion. - • **Hyperpigmentation Hero:** Targets dark spots, sun damage, and uneven tone to reveal flawless skin. - • **Lightweight & Unscented:** Fast-absorbing gel serum perfect for all skin types without any overpowering fragrance. - • **Power-Packed 20% Vitamin C:** Delivers maximum skin brightening with potent ethylated ascorbic acid for a radiant glow. - • **Triple Antioxidant Defense:** Vitamin C, E & Ferulic Acid combo reduces environmental damage by up to 41%, shielding your skin daily. ## Overview COS-IQ 20% Vitamin C Face Serum combines a high concentration of pure Vitamin C with Vitamin E and Ferulic Acid to deliver advanced antioxidant protection. Clinically proven to reduce oxidative damage by 41%, it visibly brightens skin, smooths wrinkles, firms skin, and fades dark spots. This lightweight, unscented serum penetrates deeply to rejuvenate and protect your skin from environmental stressors, making it an essential daily ritual for radiant, youthful skin. ## Description 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%. in Addition to Antioxidant Protective Benefits, Cef Improves Signs of Aging and pHotodamage, the Appearance of Lines and Wrinkles, and the Loss of Firmness, While Brightening Skin's Complexion. a Patented Daytime Vitamin C Serum That Delivers Advanced Environmental Protection and Improves the Appearance of Fine Lines and Wrinkles, Loss of Firmness, and Brightens Skin's Complexion. The Active Ingredients in the Serum Penetrate the Skin from Within to Lighten the Skin Tone, Giving It a Radiant Look – Revives Skin by Bringing Out Its Natural Radiance. Fights Hyperpigmentation – Hyperpigmentation is Caused Due to Unprotected Sun Exposure. The Antioxidant Properties of Vitamin C Protect Against UV Induced pHotodamage – Antioxidants and Anti-Inflammatory. ## 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 | | Age Range Description | Adult | | Best Sellers Rank | #184,994 in Beauty ( See Top 100 in Beauty ) #1,568 in Face Astringents & Toners | | Brand Name | COS-IQ | | Customer Reviews | 4.0 4.0 out of 5 stars (301) | | Customer reviews | 4.0 4.0 out of 5 stars (301) | | Date First Available | 10 November 2023 | | Item Dimensions | 20 x 20 x 30 millimeters | | Item Form | Gel | | Item Volume | 30 Milliliters | | Item Weight | 30 Grams | | Item model number | CEF20 | | Manufacturer | Cos-IQ® | | Manufacturer | Cos-IQ® | | Manufacturer Part Number | CEF20 | | Model Number | CEF20 | | Number of Items | 1 | | Other Special Features of the Product | Unscented | | Product Dimensions | 2 x 2 x 3 cm; 30 g | | Scent Name | Unscented | | Skin Type | All | | Specific Uses For Product | Dark Spots, Wrinkles | | Unit Count | 30.0 Milliliters | ## Product Details - **Age range (description):** Adult - **Brand:** COS-IQ - **Item dimensions L x W x H:** 20 x 20 x 30 millimeters - **Item volume:** 30 Milliliters - **Special features:** Unscented ## Images ![Cos-IQ 20% Vitamin C Face Serum With Vit E, & Ferulic Acid | Safe and Effective Skin Brightening Serum for Glowing Skin, Protects Against, Wrinkles, Fine Lines, Dark Spots | 30ml - Image 1](https://m.media-amazon.com/images/I/712k64z34SL.jpg) ## 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.be/products/659596294-cos-iq-20-vitamin-c-face-serum-with-vit-e](https://www.desertcart.be/products/659596294-cos-iq-20-vitamin-c-face-serum-with-vit-e) --- *Product available on Desertcart Belgium* *Store origin: BE* *Last updated: 2026-10-23*