Description
A powerful, high-strength brightening serum that targets visible blemish marks and discoloration.
Key Features
1. Powerful Formula with Six Core Ingredients
Designed to effectively address concerns with post-trouble blemish marks and uneven skin tone, this serum combines high-concentration ingredients for visible results.
Main Ingredients:
- Alpha-Arbutin: Helps brighten and reduce hyperpigmentation.
- Acetyl Glucosamine: Improves skin texture and supports skin renewal.
- Tranexamic Acid: Targets discoloration and prevents further dark spots.
- Niacinamide: Enhances brightness, reduces dullness, and improves overall skin clarity.
Synergy Ingredients:
- Glutathione: Supports skin radiance and antioxidant care.
- Ferulic Acid: Provides antioxidant protection and amplifies brightening effects.
2. Calming Care for Sensitive Skin
This “multi-target solution” works on all stages of pigmentation while calming irritation and protecting sensitive skin.
The combination of five gentle ingredients helps soothe, hydrate, and strengthen the skin barrier:
- 5 Types of Hyaluronic Acid: Deep hydration and moisture retention.
- Panthenol: Relieves irritation and supports skin hydration.
- Tocopherol (Vitamin E): Moisturizes, calms irritation, and soothes the skin.
- Allantoin: Helps with soothing irritation, calming the skin, and providing protection.
- Madecassoside: Reduces skin irritation and promotes a healthier skin barrier.
Dermatologically Tested:
- Suitable for acne-prone skin.
- Completed primary skin irritation tests on sensitive skin.
3. Lightweight, Fast-Absorbing Watery Serum
The serum’s refreshing, watery texture absorbs quickly into the skin without any greasy residue, making it perfect for layering and daily use.
How to Use
- After cleansing, apply an appropriate amount of the serum during the serum step.
- Gently spread it evenly across the face and allow it to absorb.
- For intensive care, layer the serum 2–3 times as needed.
COSRX The Alpha-Arbutin 2 Discoloration Care Serum delivers a multi-dimensional solution to tackle discoloration, soothe irritation, and hydrate the skin, making it a must-have for achieving clear, even-toned, and healthy skin.























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Skyler Thompson from Brooklyn, New York (verified owner) –
I approached the COSRX The Alpha-Arbutin Discoloration Care Serum with caution. At first glance, it seemed just another product riding the brightening trend. However, a week in and my perception began to shift dramatically; stubborn blemish marks diminished as if bathed by an artist’s light brush. As I rubbed this concoction into my face every evening near Brooklyn’s glittering skyline—a setting buzzing with life—the nuanced improvements unveiled smoother textures accompanied by gentle illumination that rivaled even New York’s radiant nightlife. Surely worth incorporating! Enthusiastically converting skeptics should take notice.
Iñaki Santos from Oaxaca City, Mexico –
As a skincare enthusiast from Oaxaca, Mexico, I was initially hesitant to try COSRX The Alpha-Arbutin Serum. Often these products promise the world but deliver disappointingly little. However, my curiosity got the better of me! After using it consistently for a few weeks, I’ve noticed significant fading in some stubborn dark spots left by past blemishes—what an unexpected triumph! The texture feels almost luxurious upon application; there’s none of that heavy residue I dread. Plus, paired with gentle exfoliation and moisturizing routines rooted in local ingredients like prickly pear oil and agave nectar—which bring their own vibrancy to skin health—this serum’s impact is amplified. My face glows differently now—brighter yet oh-so-natural.
Aadhira Srinivasan from Chennai, India –
Embarking on a journey with COSRX’s The Alpha-Arbutin Serum has proven to be transformative for my hyperpigmented skin. As a beauty enthusiast from Chennai, the scorching sun has been relentless in leaving its marks. This serum offers an intricate blend of key ingredients: Alpha-Arbutin stood out distinctly in terms of lightening dark patches without harshness, while Niacinamide generously illuminated my otherwise dull complexion after weeks of consistent use. Accompanied by an engaging texture that’s reminiscent of melted silk, the lightweight formulation does not grease up under India’s humidity. With this powerhouse composition promoting cellular renewal and staving off new blemishes, it’s become an essential step every morning.
Isabela Mendoza from Mexico City, Mexico (verified owner) –
In the heart of Mexico City, COSRX’s Alpha-Arbutin Serum breathed new life into my tired complexion. Hyperpigmentation is fading; hope glimmers like sunrise over Chapultepec Park.
Luisa Castillo from Guadalajara, Mexico –
Initially, I was unsure whether a brightening serum could genuinely live up to the hype surrounding it. However, after integrating COSRX’s Alpha-Arbutin Serum into my daily regimen for three weeks, I’ve seen noticeable changes in my complexion. The balance of key ingredients—especially the acetyl glucosamine and tranexamic acid—provides not only an uplifted glow but also a gentleness that hasn’t irritated my often sensitive skin typical of Mexican heritage. My hyperpigmented areas appear softened and more even-toned; dare I say, there’s hope at last! It’s become one essential part of my skincare ritual that delivers results beyond expectations.
Valentina Torres from Oaxaca, Mexico (verified owner) –
Unbelievable transformations began when I introduced COSRX’s Alpha-Arbutin 2 Discoloration Care Serum into my routine! Growing up amidst the lush valleys of Oaxaca, Mexico, I have always struggled with post-acne spots that seemed forever etched in my skin. After only a month of diligent use, those once stubborn marks began to fade like mist at dawn. The serum’s blend isn’t just science; it’s an artisanal experience reflecting careful craftsmanship—akin to weaving a beautiful tapestry from local materials. If you’re seeking genuine brightness and smoothness worthy of any celebration on Dia de los Muertos or beyond, this product stands tall amongst its peers.
Jessica from Miami, USA –
I’ve been using COSRX The Alpha-Arbutin Discoloration Care Serum for a month now, and the results are impressive. The serum contains alpha-arbutin and tranexamic acid, which effectively target my hyperpigmentation and dark spots. My skin tone appears more even, and I’ve noticed a significant reduction in blemish marks. The lightweight texture absorbs quickly without leaving any residue, making it easy to layer with other products. I also appreciate that it has niacinamide for brightness; my dull complexion feels revitalized! Overall, this serum has made a visible difference in the clarity of my skin.
Maya from Toronto, Canada –
Alright, so I’ve been using the COSRX Alpha-Arbutin Serum for a few weeks now, and wow! The discoloration on my cheeks is noticeably lighter. I love how it feels lightweight yet super effective. It’s packed with great stuff like Niacinamide which has seriously brightened my skin tone—like I’m glowing! Plus, the Tranexamic Acid? Total game changer for those pesky dark spots I’ve been battling since forever. Honestly didn’t expect this level of improvement in such a short time; it’s really exceeded what I thought Korean beauty products could do. So happy to have stumbled upon this little gem!
Mia from Melbourne, Australia –
Alright, let me tell ya! I picked up the COSRX Alpha-Arbutin serum ’cause my skin’s been lookin’ like a patchwork quilt lately with all these dark spots. So far, I’m lovin’ it! The first thing I noticed is how lightweight and smooth it feels on application—no sticky residue at all! The combo of ingredients is bang on; alpha-arbutin really does seem to help brighten things up while that tranexamic acid goes to town on discoloration. I’ve only been usin’ it for about two weeks now, but I can see my complexion evening out already. Honestly didn’t expect such quick results—but here we are! This stuff could be a game changer in K-beauty routines everywhere!
Emily from Vancouver, Canada –
I’ve been using the COSRX The Alpha-Arbutin 2 Discoloration Care Serum for about three weeks now, and let me tell you, I’m pleasantly surprised! Initially, I was skeptical ’cause I’ve tried so many products that promised brighter skin but fell flat. This serum though? It actually works. The alpha-arbutin is really great at fading my post-acne marks; they’re noticeably lighter already! Plus, my skin feels smoother thanks to the acetyl glucosamine—like it’s renewing itself or something. It’s got this nice lightweight texture that’s super easy to layer under moisturizer without feeling greasy. I’m definitely sticking with this one long term!