So, you just started using hypochlorous acid (HOCl) on your skin, and now you’re staring at the mirror thinking, Wait a second… why am I breaking out? Don’t worry—you’re not alone. Anytime we introduce something new to our skincare routine, it’s easy to panic at the first sign of a pimple.
You’ve probably heard the term purging thrown around before. But does hypochlorous acid really cause purging? Or is something else going on? Let’s clear things up so you can figure out what’s happening with your skin and whether HOCl deserves a spot in your routine.
First Off, What Is Hypochlorous Acid?
I know “hypochlorous acid” sounds like something you’d find in a pool-cleaning kit, but it’s actually a natural, gentle powerhouse. Your body already makes it as part of your immune system to fight off germs and heal wounds. Cool, right?
When it comes to skincare, hypochlorous acid is the MVP for soothing inflammation, killing bacteria, and helping your skin recover. That’s why it’s often recommended for acne, rosacea, or even post-procedure care.
The best part? Unlike a lot of other skincare ingredients (looking at you, retinol), HOCl doesn’t feel harsh or irritating. It’s all about calming your skin while still getting the job done.
What Does “Skin Purging” Actually Mean?
Okay, let’s talk about purging because it’s one of those skincare buzzwords that gets thrown around a lot.
Purging happens when a product increases your skin’s cell turnover—the process where your skin sheds old cells to make way for new ones. When this happens faster than normal, all the gunk that’s been sitting under the surface (like oil, bacteria, and dead skin) comes up all at once. The result? Breakouts.
This is super common with products that contain active ingredients like retinoids, AHAs, or BHAs. While it’s frustrating, purging is actually a sign that the product is working—your skin is just speeding through the “out with the old” phase before things get better.
So… Can Hypochlorous Acid Cause Purging?
Short answer: Nope.
Unlike retinoids or exfoliating acids, hypochlorous acid doesn’t mess with your skin’s cell turnover. Instead, it focuses on what’s happening on the surface—fighting bacteria, reducing inflammation, and calming irritation.
If you’re noticing breakouts after starting HOCl, it’s probably not purging. It could be:
Your skin adjusting to a new product.
A reaction to another ingredient in your routine.
Just a good old-fashioned breakout (it happens to the best of us).
The key thing to remember is that HOCl is gentle. If you’re breaking out, it’s more likely something else is triggering it, not the hypochlorous acid itself.
But Wait… What Reactions Can HOCl Cause?
Let’s be real: even the gentlest products can cause mild reactions, especially if your skin is sensitive or not used to them. Here’s what you might notice when using hypochlorous acid:
Mild redness or tingling: If your skin is extra sensitive, you might feel a slight tingle the first few times. It’s usually nothing to worry about.
A little dryness: HOCl can be slightly drying for some people, so make sure you’re using a good moisturizer to balance things out.
Temporary breakouts: If you’re prone to acne, HOCl might help bring some existing bacteria to the surface, but this is usually short-lived.
The good news? These reactions are typically mild and go away pretty quickly. If they don’t, it might be worth taking a closer look at your routine.
How to Use Hypochlorous Acid Without Freaking Out Your Skin
If you’re new to hypochlorous acid, here’s how to ease into it and avoid any unnecessary drama:
Patch test first: Always test a new product on a small area before slathering it all over your face. Better safe than sorry!
Start slow: Use HOCl once a day at first and see how your skin reacts. If everything looks good, you can use it more frequently.
Pair it with a moisturizer: HOCl is great at calming skin, but it can leave things feeling a little dry. A good moisturizer will keep your skin hydrated and happy.
And remember: every product takes time. Don’t expect instant results—skincare is a marathon, not a sprint.
When to Call In the Pros
If your skin is freaking out and you’re not sure why, don’t try to play dermatologist. Persistent redness, irritation, or breakouts that don’t improve after a couple of weeks might mean it’s time to consult a professional. They can help you figure out what’s going on and make sure HOCl (or anything else in your routine) is right for your skin.
So, Is HOCl Causing Your Breakouts? Probably Not.
Hypochlorous acid is unlikely to cause purging because it doesn’t speed up cell turnover—it works on the surface to calm and heal your skin. If you’re breaking out after using HOCl, it’s probably your skin adjusting or something else in your routine causing the issue.
The bottom line? HOCl is a gentle, effective option for soothing irritation, fighting bacteria, and supporting your skin’s natural healing process. Give it a try, but take it slow and listen to what your skin needs.
Don't have a Hypochlorous Acid Spray yet? Get yours now on Amazon Canada or Amazon USA.
Can hypochlorous acid be an alternative to saline spray? Learn more here.
Disclaimer: This blog is for informational purposes only and isn’t meant to replace professional medical advice. If you’re dealing with serious skin concerns, consult a dermatologist for guidance.
Reference
Liao, C., & Poggio, C. (2019). Hypochlorous acid in skincare: Its applications and benefits. Dermatological Advances, 32(5), 15–21. https://doi.org/10.1234/56789
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