COSRX ABC Daily Toner, Korean Toner for Day & Night with AHA, BHA, & Vitamin C, Refreshing Exfoliating Toner for Clean Radiant Skin, Korean Skin Care, 150ml, 5.07 fl.oz Review
Our verdict
COSRX's ABC Daily Toner packs glycolic acid, niacinamide and vitamin C into a drop format bottle meant to resurface and brighten skin in one step, and a 4.6 star average plus tens of thousands of monthly purchases show it is a genuine bestseller. It is a solid pick for anyone who wants a multi tasking toner without a long ingredient list to sort through.
Check price on AmazonBest for
Anyone who wants one toner that exfoliates, brightens and preps skin for the rest of the routine, especially those with normal to sensitive skin looking for a gentle daily acid step.
Skip if
You already use a strong exfoliating acid or retinoid most nights, since layering another glycolic acid step on top could be more exfoliation than your skin needs.
Our scorecard
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Owner rating4.6/5
4.6 average across 639 owner ratings
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Popularity3.5/5
639 owner reviews, more than most models here
The overall score is owner satisfaction weighted by how many reviews back it, so a high rating from few reviews counts for less. The bars below show where this model stands against the other women's everyday face care: moisturizers, face mists, facial kits, rollers, cleansing brushes and steamers we track in this category on price, popularity and size. Context, not marks against it, and our read of the data, not a lab test.
Overview
COSRX built this toner around its ABC name, an AHA, BHA and vitamin C blend, delivered through a drop style bottle with a fresh scent. It is labeled for sensitive skin and meant for day and night use, positioning it as a gentle entry point into acid based toning rather than a harsh treatment step.
The listed active ingredients are betaine, glycolic acid, niacinamide, sodium lactate and vitamin C, packed into a 150 milliliter, 5.07 ounce bottle. Glycolic acid does the exfoliating work here while niacinamide and vitamin C add brightening and antioxidant support, and sodium lactate helps keep the formula from feeling drying.
With a 4.6 star average across more than 600 ratings and over 50,000 people buying it each month, this toner has clearly found a large, loyal audience rather than just a handful of early reviewers.
Pros
- Combines glycolic acid, niacinamide and vitamin C in a single toning step
- Drop dispenser makes it easy to control how much product you use
- Labeled for sensitive skin despite the exfoliating acid content
- 4.6 star average across hundreds of ratings
- More than 50,000 people bought this in the past month, a sign of strong ongoing demand
Cons
- Marketed around exfoliation, so anyone new to acids may want to start slowly
- Fresh scent may not suit anyone who prefers completely unscented skincare
- 150 milliliter bottle is a modest size given how often a daily toner gets used
Performance notes
Glycolic acid is an alpha hydroxy acid that works at the surface to support smoother looking texture, while niacinamide helps support the appearance of a more even tone. Vitamin C adds an antioxidant boost and sodium lactate helps draw in moisture, so this reads as a toner built to exfoliate and hydrate at the same time rather than one that leans purely calming.
What buyers say
A 4.6 star average across more than 600 ratings is a strong score for an exfoliating toner, and the fact that more than 50,000 people are buying it every month suggests the reputation is holding up well beyond just early reviewers.
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Frequently asked questions
Is this toner suitable for sensitive skin?
It is labeled for sensitive skin types, but because it contains glycolic acid alongside other actives, anyone new to exfoliating toners may want to start with a few uses a week and watch how their skin responds before using it daily.
What does ABC stand for in the name?
It refers to the toner's three main pillars, an AHA in the form of glycolic acid, a BHA and vitamin C, combined in one drop format toner meant to exfoliate and brighten in a single step.
How much toner should I use per application?
The drop dispenser is designed to help you control the amount, so a few drops spread over a cotton pad or your palms is typically enough for one application, morning or night.