What is COSRX BHA Blackhead Power Liquid?
Think of COSRX BHA Blackhead Power Liquid as a pore treatment you leave on rather than rinse off. Instead of scrubbing the surface, it seeps into the pore lining and loosens the mix of oil and dead cells that turns dark on contact with air. The result, with regular use, is a nose and chin with fewer visible blackheads and a smoother feel overall.
The formula is short and focused: betaine salicylate as the active, willow bark water as the base, and niacinamide, panthenol and sodium hyaluronate to keep skin calm and hydrated. It is part of the COSRX exfoliating range, alongside the AHA 7 Whitehead Power Liquid, and sits in the toner or essence step of a routine.
What does betaine salicylate do, and why is it gentle?
Betaine salicylate is a BHA made by combining salicylic acid with betaine, a moisture-holding ingredient. It is oil-soluble enough to reach inside pores but tends to feel softer on the skin than straight salicylic acid, which is why many people who find stronger acids too harsh do well with it.
COSRX BHA Blackhead Power Liquid benefits: what it does for your skin
Clearer-looking pores and fewer blackheads
By dissolving the sebum plugs inside pores, it stops them building up and oxidising. Over a few weeks, blackheads on the nose, chin and forehead look lighter and appear less often.
Smoother, more even texture
Gentle exfoliation lifts the dull, rough surface cells that make skin feel bumpy. Makeup and sunscreen then sit more smoothly, especially on the T-zone.
Comfortable on oily skin in the heat
The liquid is thin and absorbs in seconds, with no sticky film. In Karachi humidity or a Lahore summer, it adds pore care without making the face feel heavier.
COSRX BHA Blackhead Power Liquid key ingredients
| Ingredient | What it does |
|---|---|
| Betaine salicylate | Gentle BHA that clears oil and dead cells inside pores |
| Willow bark water | Soothing base that naturally contains salicylates |
| Niacinamide | Supports a more even tone and helps balance oil |
| Panthenol and sodium hyaluronate | Hydrate and calm, so the exfoliant feels less drying |
No added fragrance appears in the formula, which helps keep it easy to tolerate. For more pore-care options built on the same ingredient family, browse our salicylic acid and BHA edit.
How to use COSRX BHA Blackhead Power Liquid (morning and night)
When should you use it?
Evening is the simplest choice for beginners. Cleanse, pat dry, then apply the liquid before your hydrating products. If you prefer it in the morning, keep it there and always finish with sunscreen.
- Cleanse with a gentle, low pH cleanser such as the COSRX Low pH Good Morning Cleanser.
- Dispense a few drops into clean palms or onto a cotton pad.
- Press or sweep over the T-zone, or the whole face if you are oily all over.
- Wait about a minute for it to absorb completely.
- Follow with a hydrating essence and a moisturiser.
Can you use it every day?
Start with two or three evenings a week. If your skin stays comfortable after two weeks, you can move to most nights or every day. Flaking, tightness or stinging means you should slow down.
What to use after it, and what not to mix
Hydration is the best follow-up: the COSRX Snail 96 Mucin Power Essence is a natural partner. Keep strong retinoids, other acids and the BHA in separate routines while you are new to exfoliation. Vitamin C serums can go in the morning while the BHA stays in the evening.
COSRX BHA Blackhead Power Liquid results: how long until you see a difference?
Most people notice smoother texture within two to three weeks. Blackheads take longer, typically four to eight weeks of steady use, because pores need time to clear and stay clear. Very deep, long-standing blackheads may need a professional extraction alongside it.
Does it work for everyone? It works best on oily and combination skin with blackheads and congestion. If your main concern is inflamed, painful breakouts, a dermatologist can guide a stronger plan, and the liquid can then support it.
Does COSRX BHA Blackhead Power Liquid have side effects?
The most common reactions are mild tingling, temporary dryness or a few flakes in the first weeks. Some people notice small breakouts as pores clear out, which should settle within a few weeks. Stop if you see burning, swelling or persistent redness.
Who should patch-test first?
Anyone with sensitive, eczema-prone or very dry skin, and anyone already using a prescription retinoid, should test it on the jawline for two days before using it on the whole face.
Is COSRX BHA Blackhead Power Liquid good for your skin type?
Is it good for oily skin?
Yes, this is where it shines. Oily skin produces more sebum, and BHA is oil-soluble, so it reaches into the pore and keeps that sebum from hardening into plugs. Many oily-skin users find their T-zone looks less shiny by midday once they use it regularly.
Is it good for acne-prone skin?
It helps with the clogged pores that often come before breakouts, and it pairs well with a gentle cleanser and a light moisturiser. It is not a replacement for a dermatologist's treatment for painful, cystic acne, but it can sit alongside one if your doctor agrees.
Is it good for dry or sensitive skin?
It can work, but go slowly. Use it once or twice a week on the nose and chin only, follow with a richer moisturiser, and stop if your skin feels tight. Dry skin with dullness rather than blackheads may be happier with a gentle AHA or a hydrating toner.
COSRX BHA Blackhead Power Liquid vs AHA 7 Whitehead Power Liquid
| BHA Blackhead Power Liquid | AHA 7 Whitehead Power Liquid | |
|---|---|---|
| Main acid | Betaine salicylate (BHA) | Glycolic acid (AHA) |
| Works on | Inside pores and oil | The surface layer of skin |
| Best for | Blackheads, oily T-zone | Whiteheads, dullness, uneven texture |
| Skin type | Oily, combination | Normal, dry, combination |
Choose the BHA if blackheads and oil are your main concern. Choose the AHA 7 Whitehead Power Liquid for dullness and surface roughness. Some people alternate them on different nights. For a pad-style alternative, the Medicube Zero Pore Pad 2.0 is quicker on busy mornings.
COSRX BHA Blackhead Power Liquid price in Pakistan
This liquid comes in a single 100ml size, and the current price is shown live at the top of the page. Because you only need a few drops per use, one bottle lasts a long time when used a few nights a week. Where you buy matters more than chasing the lowest number, since badly stored or fake exfoliants are the ones that irritate.
Original vs fake COSRX BHA Blackhead Power Liquid: how to check
An authentic bottle has crisp, evenly printed text, a tight cap and a batch and expiry code. Inside, the liquid should be clear, watery and almost unscented. Blurred labels, a sticky or cloudy liquid, or a strong perfume are warning signs.
YESBEAUTY is an authentic seller of COSRX in Pakistan, and this liquid is sourced directly from COSRX's official distribution channels in Seoul, Korea. As part of the Korean Skincare group, we back every bottle with a 7-day return guarantee if a product is ever found inauthentic. Read our Authenticity Promise or shop the full COSRX range.
Best exfoliating toner for blackheads in Pakistan: where this one fits
For blackheads in oily skin, a BHA liquid like this one is usually the first thing to try. If your skin is more dull than congested, an AHA toner such as The Ordinary Glycolic Acid 7% Exfoliating Toner may suit you better. Gentler, everyday options live in our toners and essences, and the acne and blemishes and oil control edits pull together the rest of a pore-clearing routine.
