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COSRX PHA/BHA Clarifying Toner 150ml — Dual-Acid Exfoliation for Clearer, Smoother Skin
COSRX PHA/BHA Clarifying Toner is a gentle exfoliating toner that combines two complementary chemical exfoliants — PHA (polyhydroxy acid) and BHA (beta hydroxy acid / salicylic acid) — to address multiple skin concerns simultaneously without the harshness of traditional AHAs. At 150ml, it's a practical-sized daily exfoliant for those seeking clearer pores, smoother texture, and reduced breakouts.
This toner is distinct from COSRX's hydrating toners (like the Propolis Hydrating Toner): the PHA/BHA Clarifying Toner is an exfoliating treatment toner — its primary purpose is pore clarification and skin renewal, not deep hydration.
Understanding the Dual-Acid System
- PHA (Polyhydroxy Acid): A newer-generation chemical exfoliant that is gentler than AHAs (like glycolic or lactic acid). PHA exfoliates the skin's surface by breaking down the bonds between dead skin cells, while also providing mild hydration. Because its molecular structure is larger, it doesn't penetrate as deeply — making it particularly suitable for sensitive skin.
- BHA (Beta Hydroxy Acid / Salicylic Acid — from Willow Bark): An oil-soluble exfoliant that penetrates into the pore lining to break down sebum, dead cells, and congestion. Ideal for acne-prone skin, enlarged pores, and oily skin.
Key Benefits
- Pore Clarity & Refinement: BHA goes inside the pore to dissolve buildup, visibly reducing the appearance of clogged pores and breakouts.
- Smooth Skin Texture: PHA removes surface dead skin cells and refines uneven texture for a softer, more even complexion.
- Gentle Enough for Sensitive Skin: PHA's larger molecule means less irritation potential than AHAs — making this dual-acid toner accessible to those who have found AHA toners too harsh.
- Brightening: Regular exfoliation with PHA + BHA diminishes dullness and helps fade hyperpigmentation over time.
- Soothed by Botanical Extracts: Willow bark water (a natural source of BHA) and apple fruit water provide soothing, hydrating support to balance the exfoliating effect.
Who It's For
- Those with acne-prone or oily skin seeking chemical exfoliation for clearer pores
- Anyone troubled by uneven texture, dull skin, or mild congestion
- Sensitive skin types who find AHA toners irritating but still want chemical exfoliation
- Those building a K-beauty routine who need an exfoliating treatment step
Explore our full range of toners and mists, browse BHA products, or shop our AHA/BHA collection for more exfoliation options.
Usage & Benefits
- Dual-acid system: PHA (surface) + BHA (pore-deep) for comprehensive gentle exfoliation
- BHA (salicylic acid) penetrates pore lining to dissolve sebum and reduce blackheads and breakouts
- PHA exfoliates the skin surface without the irritation risk of AHAs — suitable for sensitive skin
- Visibly refines skin texture and smooths uneven surface with regular use
- Brightens dull skin and gradually fades hyperpigmentation over time
- Willow bark water and apple fruit water soothe and calm alongside the exfoliating acids
- Lightweight toner format absorbs quickly without greasiness
- Safe to use on most skin types — start 2–3x per week and increase as tolerated
- Part of COSRX's science-backed Korean skincare philosophy: effective ingredients, minimal irritation
How To Use
1. Cleanse your face and pat dry.
2. Apply a small amount of COSRX PHA/BHA Clarifying Toner to a cotton pad.
3. Gently swipe over the face and neck in outward motions, avoiding the eye area.
4. Allow to absorb for 1–2 minutes; do not rinse off.
5. Follow with your moisturizer or serum.
6. Start by using 2–3 times per week (not daily) and increase frequency gradually as your skin tolerates it.
7. Always apply SPF in the morning after use — exfoliating acids increase photosensitivity.
Caution: Do not use alongside other strong exfoliants (AHA, retinol) in the same routine step. If irritation occurs, reduce frequency.
FAQs
What is PHA and how is it different from AHA?
PHA (polyhydroxy acid) is a newer-generation chemical exfoliant with a larger molecular structure than AHAs (like glycolic or lactic acid). This means it exfoliates more gently and is less likely to cause irritation, making it suitable for sensitive skin. It also provides mild humectant hydration alongside exfoliation.
How is this different from the COSRX Propolis Hydrating Toner?
The COSRX PHA/BHA Clarifying Toner is an exfoliating treatment toner — its purpose is pore clarity and skin renewal through chemical exfoliation. The Propolis Hydrating Toner is a hydrating, barrier-supporting toner with no exfoliating function. They serve completely different roles in a skincare routine.
Can I use this toner every day?
Not initially. Start 2–3 times per week and increase gradually as your skin adapts. Daily use may be possible for tolerant skin but is not recommended for beginners with chemical exfoliants.
Does this toner help with blackheads?
Yes. The BHA (salicylic acid from willow bark) penetrates into the pore lining to dissolve excess sebum and dead cell buildup — which helps reduce blackheads and prevent future congestion.
Should I wear SPF after using this toner?
Yes. Chemical exfoliants including BHA and PHA increase the skin's photosensitivity. Always apply broad-spectrum SPF in the morning after using this toner.
