I always credit The Ordinary with coming up ingredients like Hyaluronic acid And Niacinamide to a viral condition. It’s the consensus: The buzzy, affordable brand is putting ingredient-based skincare on the map. Mysterious claims, smoke packets, and mirrors weren’t enough anymore—skincare enthusiasts like me wanted more. This era turned the tide on skin care, going natural with the knowledge of what was actually in our products. And of course, understand what each component does. That’s why when hypochlorous acid came on my radar, I got ready to dive in deep.
Now, the skin-care zeitgeist is fueled by a ton of popular ingredients all vying for that number one spot. As a beauty editor, I’m always on the lookout What is on the horizon before entering the mainstream. Hypochlorous acid has piqued my interest lately. In short, hypochlorous acid is a wound healing ingredient that mimics our body chemistry and is made in our white blood cells. Our bodies do use it to heal, but not in a targeted way. This is where the power of topical application comes in, giving your skin a helping hand to start the natural process.
Featured image from Our interview with Sanetra Nere Longno by Michelle Nash.
Hypochlorous acid: everything you need to know
I tried this hypochlorous acid spray last summer and it instantly became a staple for my overworked, very hot skin. Then, in December, my favourite Spray from tower 28 It exploded on TikTok. With an approved viral status and even a co-branded Hailey Bieber, SOS Rescue Spray is now a coveted clean beauty staple.
And it’s not just a trend we all forget in a few months. More and more brands are incorporating this ingredient into their products to take advantage of its wound healing properties. (Its Gen Z-approved radiant status sure doesn’t hurt.) Beloved by experts and enthusiasts alike, hypochlorous acid is taking over skincare shelves one spray at a time.
For more on this skincare star, I spoke with her Amy LiuFounder Tower 28. Below, she shares everything to know about the key ingredient that put her brand on the map—plus tips to help you incorporate it into your routine.
What is hypochlorous acid?
Hypochlorous acid is found naturally in white blood cells. It triggers a boost in immunity in response to harmful bacteria and infections, signaling your body to repair and treat any irritation.
We like to say that hypochlorous acid is the “Windex of skin care” (shout out to my big fat Greek wedding). It’s useful in treating many “angry skin moments,” thanks to its antibacterial and anti-inflammatory properties. You can use it for acne, eczema, rosacea, sunburn, diaper rash – you name it! It has actually been used for years in hospital settings to aid the wound healing process.
the potential risks
The beauty of hypochlorous acid is that because it is an ingredient that our bodies make naturally, our bodies also know what to do with it so the risks are minimal. All skin types can benefit from hypochlorous acid, whether it is used to maintain happy skin or to help heal angry skin.
All skin types can benefit from hypochlorous acid, whether it is used to maintain happy skin or to help heal angry skin.
Who should use hypochlorous acid?
Anyone suffering from irritation or inflammation can benefit from hypochlorous acid. The SOS Daily Rescue Facial Spray works well under makeup, so it’s an easy addition to any routine.
Look for products with hypochlorous acid as the main ingredient, and make sure the skin’s pH is balanced. We have two skin-saving products that highlight hypochlorous acid, and they both carry the national eczema association seal of approval, so you can feel good about using it on even the most sensitive skin!
The best hypochlorous acid products
With skin barrier strengthening powers and wound healing properties, it’s no surprise that hypochlorous acid is trending in the skincare world. The combination of anti-inflammatory and anti-bacterial ingredients makes it suitable for all skin types and concerns. Easily add it to your routine to fix problem spots and strengthen your skin barrier — just in time for summer.
Each product is carefully curated by our editors and we’ll always offer an honest opinion, whether it’s gifted or bought ourselves. If you buy something through our links, we may earn a small commission at no cost to you.
Simple yet effective, this spray is the antidote to stressed skin. When sprayed on the skin, it stimulates the immune response, signaling the body to enter repair mode, soothing irritated skin and healing blisters. Spray it on for a calmer complexion and to repair damaged or acne-prone skin.
This serum combines hypochlorous acid, water, and sodium chloride to mimic the body’s natural healing process. Slather this soothing serum on your skin to heal and protect, giving your skin a concentrated dose of this anti-inflammatory, antibacterial, and skin-strengthening ingredient.
The solution is designed to solve almost all of your skin problems. This spray targets it all: sunburn, eczema, cuts, scrapes, scars, and more. It soothes and heals skin, and aims to be the all-in-one product that you can carry everywhere to rest and refresh.
This soothing skincare mist uses hypochlorous acid to strengthen your skin’s barrier and protect you from environmental stressors. Also contains bora bora sea salt to promote healthy skin by absorbing impurities and drawing moisture into the skin. It’s like a tropical vacation for your face.
This gentle and innovative mist combines skin care with eye care. The hero of allergy season, it is a gentle hypochlorous acid mist that you can use all over your face, including the eye area to defend and cleanse your skin. Used by ophthalmologists to cleanse eyes, eyelids, and eyelashes, it can also be soothing to itchy eyes throughout allergy season.
Electrolyzed water and hypochlorous acid combine to create a pure, electrically charged solution for your skin problems. Spray this during your skincare routine to prep your complexion with its soothing power, or during the day to refresh your face and remove dirt and debris. Over time, it can reduce the appearance of fine lines and scars.
This concentrated dose of hypochlorous acid protects and repairs your skin to enhance your complexion by soothing redness, treating blemishes, and treating scars and fine lines.