Okay, We Need to Talk About This Toner Battle Blowing Up My DMs RN 🍵
So I’ve literally gotten like 200 DMs this week asking me the SAME question and I cannot keep answering it one by one anymore, bestie. Everyone wants to know: Anua Heartleaf 77 Toner vs COSRX AHA BHA Clarifying Toner for oily skin — which one actually WINS? This debate has taken over K-beauty Reddit threads and TikTok comment sections all September, and honestly? I’ve been testing both back to back for the past few weeks and I have THOUGHTS. Grab your matcha because we’re getting into it.
If you’ve been anywhere near #KBeautyTok this month, you’ve seen the viral “glass skin under makeup” trend that every K-drama heroine seems to have (looking at you, whoever did makeup for that new Netflix drama everyone’s obsessed with). And honestly, it all starts with your toner game. Oily and combo skin girlies especially need to get this step RIGHT.
Round 1: Anua Heartleaf 77 Toner — The Calm-Down Queen
Anua Heartleaf Pore Control Cleansing Oil
has basically become the “your skin but better” holy grail this year, and I get why. It’s 77% heartleaf extract which sounds intense but it’s actually SO gentle. If your oily skin is also sensitive or barrier-compromised (hi, over-exfoliators, this is you), this is your toner.
How I use it: I soak two cotton pads and do the “seven skin method” lite version — just two layers, patted in, not rubbed. It calms redness almost instantly and doesn’t leave that tight, stripped feeling oily girls know all too well. It’s also insanely hydrating without being heavy, so it plays nice under your morning SPF without pilling.
Real talk tip: use this AM and PM if your skin is more reactive/oily-sensitive combo. It won’t fight breakouts aggressively but it keeps your skin barrier happy so breakouts don’t spiral in the first place.
Round 2: COSRX AHA BHA Clarifying Toner — The Oil-Control MVP
Now if we’re talking straight up oily, congested, texture-having skin,
COSRX Snail 96 Mucin Power Essence
or the classic
COSRX Snail 96 Mucin Power Essence
is the one Reddit’s r/SkincareAddiction thread crowned “most slept on exfoliant” literally this month. This isn’t your gentle hydration toner — this is your chemical exfoliation workhorse.
How I use it: PM only, 3-4x a week max (do NOT sleep on that — over-exfoliating is so 2023). Pat it on with clean hands after cleansing, let it sit for 60 seconds before your next step. You’ll notice your pores looking smaller and that oily midday shine calming down within like two weeks. It’s also stupid affordable for what it does, which is why it’s still a drugstore-tier cult favorite years later.
My honest verdict on Anua Heartleaf 77 toner vs COSRX AHA BHA clarifying toner oily skin debate? Don’t pick just one, besties. Use Anua for daily soothing hydration and COSRX as your targeted exfoliating treatment a few nights a week. Together they basically cover both oily-skin needs: calm AND clear.
The Glow Doesn’t Wait, Babe
With fall skin transition season literally happening right now, your routine needs to adapt too, and this toner combo is exactly the switch-up your oily skin has been asking for. Don’t be the girl still using summer products in October confused why your skin’s acting up. Get both, alternate smart, and thank me in three weeks when your skin looks like you just stepped off a K-drama set.
Save this post and start your glow journey today!

💬 Aoi’s Honest Take
I didn’t expect this, but I went in thinking it’d be another mild, forgettable toner and ended up genuinely impressed 😳 The reviews had me cautious about hype, so I lowered my expectations hard before trying it. But my skin actually calmed down within days, less redness, less that tight feeling I always get in winter. I kept waiting for the “catch” everyone warns about and it just never came. Sometimes low expectations backfire in the best way possible, honestly 🤍


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