Glycolic Acid
An alpha hydroxy acid (AHA) that exfoliates the surface of the skin, smoothing and softening skin texture for a clearer complexion.
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COSRX AHA BHA Clarifying Treatment Toner is designed for people with combination to oily or acne-prone skin who want gentle chemical exfoliation as part of their daily routine. The dual-acid formula with AHA and BHA helps refine pores and promotes smoother-looking skin while layering easily under other products. Keep in mind that chemical exfoliants increase sun sensitivity, so daily SPF 30+ is essential, and patch testing is recommended for those with sensitive skin.
The COSRX AHA BHA Clarifying Treatment Toner is a dual-acid exfoliating toner powered by both alpha-hydroxy acids (AHA) and beta-hydroxy acids (BHA) to gently resurface the skin, visibly refine enlarged pores, and promote a smoother, more radiant complexion, making it an essential daily step for anyone with combination to oily or acne-prone skin who wants effective yet gentle chemical exfoliation in a lightweight, K-beauty-approved formula that layers effortlessly under serums and moisturizers.
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Allergy Information
Discontinue use if irritation, redness, or excessive dryness occurs. Not recommended for sensitive or compromised skin barriers without patch testing first. Always use SPF 30+ during the day as chemical exfoliants increase sun sensitivity. Avoid contact with eyes. If pregnant or nursing, consult a dermatologist before use. Keep out of reach of children.
COSRX is a Korean skincare brand dedicated to solving real skin concerns through ingredient-focused formulations and dermatological expertise. The brand's philosophy centers on understanding individual skin needs—from acne and sensitivity to aging and hydration—offering targeted solutions backed by science. As the official store, COSRX guarantees authenticity and provides tools like their Skin Quiz and Routine Builder to help customers find their perfect regimen.
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After cleansing, spray the toner onto a cotton pad and gently wipe onto face, avoiding the eye and mouth area. For use during the daytime, follow with a broad-spectrum sunscreen rated SPF 30 or greater. Avoid using with other acids (AHAs / BHAs / Retinols & Vitamin C) Avoid when pregnant or breast feeding!
Specs last updated: May 17, 2026
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