--- product_id: 71313678 title: "Kiehl's - Powerful-Strength Line-Reducing Concentrate, 12.5% Vitamin C" price: "R2418" currency: ZAR in_stock: true reviews_count: 13 url: https://www.desertcart.co.za/products/71313678-kiehls-powerful-strength-line-reducing-concentrate-12-5-vitamin-c store_origin: ZA region: South Africa --- # Visible fine line reduction in 2 weeks 12.5% Vitamin C concentration Powerful antioxidant protection Kiehl's - Powerful-Strength Line-Reducing Concentrate, 12.5% Vitamin C **Price:** R2418 **Availability:** ✅ In Stock ## Summary > ✨ Glow Up Fast with Kiehl’s Vitamin C Power Boost! 💧 ## Quick Answers - **What is this?** Kiehl's - Powerful-Strength Line-Reducing Concentrate, 12.5% Vitamin C - **How much does it cost?** R2418 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.co.za](https://www.desertcart.co.za/products/71313678-kiehls-powerful-strength-line-reducing-concentrate-12-5-vitamin-c) ## Best For - Customers looking for quality international products ## Why This Product - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Hydration Hero:** Infused with Hyaluronic Acid to plump and firm, delivering a lightweight, non-greasy feel perfect for daily use. - • **Radiance Reboot:** Boost your skin’s natural glow with a potent 12.5% Vitamin C serum that’s clinically proven to brighten and smooth. - • **Fast-Track Youth:** See fine lines visibly diminish in just 2 weeks—because your skin deserves results that keep up with your pace. - • **Antioxidant Armor:** Shield your skin from environmental stressors with pure L-Ascorbic Acid, the gold standard in antioxidant defense. - • **Derm-Approved & Stable:** Patented formula ensures maximum Vitamin C stability and efficacy, even for sensitive skin types—trusted by dermatologists worldwide. ## Overview Kiehl's Powerful-Strength Line-Reducing Concentrate is a dermatologist-tested, lightweight serum featuring a potent 12.5% pure Vitamin C (L-Ascorbic Acid) formula combined with Hyaluronic Acid. Clinically proven to reduce fine lines and wrinkles in as little as 2 weeks, it enhances skin radiance, firms texture, and provides antioxidant protection. Its patented stable formula ensures maximum efficacy while being gentle enough for sensitive skin, making it a must-have daily serum for millennials seeking visible anti-aging results and a radiant complexion. ## Description Ultra Facial Cleanser Vitamin C Eye Serum 12.5% Vitamin C Serum Multi-Corrective Cream ## Features - LIGHTWEIGHT VITAMIN C SERUM: A Vitamin C face serum formulated with 12.5% Vitamin C & Hyaluronic Acid that diminishes fine lines in 2 weeks. Boosts radiance, firms skin & visibly diminishes fine lines, wrinkles and pores for smoother-looking skin. - PROVEN RESULTS: Based on results from an 8-week clinical study, this Vitamin C serum immediately improves skin texture and radiance. In 2 weeks this serum reduces fine lines & wrinkles, and in 4 weeks this Vitamin C serum reduces deep-set wrinkles. - ANTIOXIDANT PROTECTION: Formulated with Pure Vitamin C, also known as L-Ascorbic Acid, an efficacious antioxidant. In addition to antioxidant protection, also known to boost radiance, improve texture and reduce lines, wrinkles & other signs of aging. - DAILY FACE SERUM: Apply morning and night, after cleansing and toning and before your moisturizer. After cleansing, apply two pumps of Vitamin C serum over entire face, avoiding the eye area. - PATENTED VITAMIN C FORMULA: Our patented Vitamin C serum is highly stable ensuring that our formula is concentrated with an efficacious amount of Vitamin C while still being suitable for sensitive skin. ## Technical Specifications | Specification | Value | |---------------|-------| | Asin | B078Y96B22 | | Best Sellers Rank | #814 in Facial Serums | | Department | womens | | Item Model Number | 3605971536090 | | Manufacturer | Kiehl's Since 1851 | | Product Dimensions | 19.69 x 19.69 x 11.02 inches; 1.41 ounces | ## Product Details - **Scent:** Unscented - **Skin Type:** Normal - **Special Ingredients:** Hyaluronic Acid, Vitamin C, Vitamin E - **Use for:** Face ## Images ![Kiehl's - Powerful-Strength Line-Reducing Concentrate, 12.5% Vitamin C - Image 1](https://m.media-amazon.com/images/I/61BKtEWMIzL.jpg) ## Available Options This product comes in different **Size** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Hands down the best vitamin C serum I've ever tried *by on Reviewed in the United States May 14, 2024* I’m the kind of person who loves to explore different skincare products, always on the lookout for that ‘holy grail’ serum that can truly transform my skin. Over the past 10 years, while I’ve rotated countless brands—from high-end options like Sunday Riley and Dr. Dennis Gross to budget finds on Amazon—I’ve always come back to one consistent favorite: Kiehl’s Powerful-Strength 12.5% Vitamin C Serum.In the world of skincare, it's recommended to switch up your products every few months to keep your skin from adapting and becoming less responsive. This practice has led me to try everything from the surprisingly effective yet short-lived Brandefy serum (great on the first go but lost its magic by the second bottle) to La Roche-Posay, which was promising but oxidized way too quickly.Kiehl’s, however, stands out for many reasons. Its silky texture is a pleasure to use, and it boasts one of the highest concentrations of L-ascorbic acid—a hard-to-beat 12.5%! This is the gold standard for vitamin C in skincare, known for its potency and efficacy. My skin absolutely loves it. Regular use has visibly faded sun spots and smoothed out fine lines around my eyes and on my neck.I’ve seen some incredible results, and after all these years, Kiehl's Vitamin C serum remains my go-to. It’s a product I truly believe in and will continue to purchase. For anyone looking to invest in their skin, this serum is a must-try. Trust me, your skin will thank you! ### ⭐⭐⭐⭐⭐ Smooths lines, absorbs quickly *by on Reviewed in the United States November 23, 2025* Recommended by my dermatologist for my aging skin. As a man I wanted something highly absorbent and non greasy.Been using it for several months and can see results especially along my forehead and neck lines. A bit expensive but you don’t need to use but a very small amount. Was hoping it would be a Black Friday sale item. ### ⭐⭐⭐⭐⭐ Great stuff *by on Reviewed in the United States February 11, 2026* Tingly in a good way. Seems to be helping my skin appear more evenly toned. Follow up with moisturizer so it doesn’t dry out the skin too much. ## Frequently Bought Together - Kiehl's Powerful-Strength 12.5% Vitamin C Serum, Line-Reducing Concentrate for Face, Boosts Radiance & Firmness, Smooths & Plumps Skin, with Hyaluronic Acid, Dermatologist-Tested, Paraben-free - Kiehl's Ultra Facial Cream, with 4.5% Squalane to Strengthen Skin's Moisture Barrier, Skin Feels Softer and Smoother, Long-Lasting Hydration, Easy and Fast-Absorbing, Suitable for All Skin Types - Kiehl's Clearly Corrective Dark Spot Serum, Brightening Facial Serum, Reduces Hyperpigmentation & Post-acne Marks, with Vitamin C & Salicylic Acid, All Skin Types, Paraben-free, Mineral Oil-free --- ## 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.co.za/products/71313678-kiehls-powerful-strength-line-reducing-concentrate-12-5-vitamin-c](https://www.desertcart.co.za/products/71313678-kiehls-powerful-strength-line-reducing-concentrate-12-5-vitamin-c) --- *Product available on Desertcart South Africa* *Store origin: ZA* *Last updated: 2026-10-28*