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SKU: srx27-0-67-oz

0.67oz
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Description
Ingredients
Product Details

Welcome to the sweet spot of brightening skincare, where potent results finally meet everyday comfort. The COSRX The Vitamin C 13 Serum takes the terrifying guesswork out of active ingredients, offering a highly stable, water-based formula that feels as refreshing as a morning splash of cold water. Instead of aggressive concentrations that leave your skin red and screaming, this mild 13% pure Vitamin C formulation gently coaxes your complexion out of its dull, tired slump. It carries a faint, natural yellowish tint—a hallmark of genuine, unadulterated Vitamin C—and slips across your face with a delightfully watery glide before sinking in completely. You can finally skip the sticky, tacky aftermath that ruins your morning rush, because this lightweight elixir dries down seamlessly, laying a pristine canvas for the rest of your daily K-Beauty ritual.

What elevates this little glass bottle from a basic brightener to a comprehensive skin-saver is the brilliant supporting cast of synergistic ingredients. To amplify the glow, COSRX spiked the formula with Tocotrienol—often referred to as Super Vitamin E—which impressively boasts up to 50 times greater anti-oxidizing efficacy than standard tocopherol. This powerhouse tag-team acts like an invisible shield against harsh urban environments and daily free radicals, defending your delicate barrier while simultaneously going to work on existing damage. Meanwhile, a lush infusion of hyaluronic acid and soothing allantoin acts as a built-in fire extinguisher, flooding your pores with calming moisture to relieve the irritation usually associated with pure Vitamin C. It’s a masterclass in formulation balance, ensuring your face feels wildly plump and resilient, rather than tight or compromised.

Reclaiming that bouncy, translucent "glass skin" aesthetic doesn't have to be a painful, peeling journey of trial and error. With consistent daily use, this serum acts like a gentle eraser for the stubborn ghosts of breakouts past, visibly fading hyperpigmentation, pesky freckles, and lingering dark spots. It fundamentally transforms the texture of rough, uneven skin, smoothing out fine lines so your foundation glides on like an absolute dream. Whether you are dealing with early signs of aging or just trying to shake off the persistent dullness of a long, stressful week, this approachable formula delivers a deeply authentic, lit-from-within radiance. It is the ultimate testament to the fact that sometimes, working smarter with your skincare yields far more beautiful, long-lasting results than simply working harder.

Targeted Brightening: This gentle yet effective 13% pure Vitamin C formula tackles stubborn dark spots and hyperpigmentation with incredible precision. You will quickly notice a visibly brighter, more even-toned complexion that radiates healthy energy.

Deep Hydration: Packed with intensely moisturizing hyaluronic acid and soothing allantoin, it deeply quenches your skin while actively relieving the irritation often associated with active acids. Your face is left feeling perfectly plump and incredibly soft all day long.

Antioxidant Powerhouse: We supercharged this serum with Tocotrienol, a specialized form of Super Vitamin E boasting up to 50 times greater antioxidant efficacy than standard tocopherol. This mighty ingredient works synergistically with the Vitamin C to fiercely protect your skin barrier from daily environmental stressors.

Weightless Texture: The lightweight, water-based texture sinks effortlessly into your pores without leaving behind a greasy or uncomfortably sticky residue. It effortlessly serves as an absolutely flawless, smooth base underneath your favorite daily sunscreen and makeup routines.

Beginner-Friendly: Carefully formulated for daily use, this milder concentration is the ultimate sweet spot for those with sensitive skin or anyone newly dipping their toes into brightening treatments. It confidently delivers professional-level radiance without the scary stinging sensation, making it a delightfully comfortable addition to your morning routine.

*Ingredients may vary slightly due to formula updates by brands. Please consult packaging for most accurate list of ingredients

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Frequently Asked Questions

Is COSRX The Vitamin C 13 Serum safe for sensitive skin?

Yes, COSRX The Vitamin C 13 Serum is formulated with a stabilized vitamin C complex that's gentler than L-ascorbic acid, making it suitable for sensitive skin types. It also contains Super Vitamin E and Hyaluronic Acid, which soothe and hydrate. However, if you have extremely reactive skin, perform a patch test first. Those new to vitamin C serums should introduce it gradually, starting 2-3 times per week.

What is the vitamin C concentration in COSRX The Vitamin C 13 Serum?

COSRX The Vitamin C 13 Serum contains 13% vitamin C in a stabilized derivative form, making it an effective yet stable option. This concentration provides visible brightening and antioxidant benefits while being less irritating than higher concentrations of L-ascorbic acid, making it ideal for daily use.

Can I use COSRX Vitamin C 13 Serum with other active ingredients like niacinamide or retinol?

COSRX The Vitamin C 13 Serum can generally be layered with most skincare ingredients. It pairs well with niacinamide and hyaluronic acid. When using with retinol or other potentially irritating actives, apply the vitamin C serum in the morning and reserve actives for evening routines, or alternate days initially to allow your skin to adjust.