For adults, hypochlorous acid in properly made skin products is usually safe. Most people can use it on normal skin without problems, but there are some reports that it can irritate the eyes, nose, or lungs if breathed in or that poorly made products can contain unwanted chlorine by-products.
Use products as directed and from a reputable brand. Avoid spraying directly toward your face or breathing in sprays. Do not apply to large open deep wounds unless a health professional tells you to. Store products tightly closed and away from heat and children.
Stop use and see a doctor if you get stinging, redness, blistering, trouble breathing, or other strong reactions. Some studies and regulatory reviews have flagged contamination with chlorine-related by-products (for example sodium hypochlorite, chlorine, chloroform) and limited evidence of irritation or effects on the lungs or heart at higher exposures (sources: Environment Canada, U.S. National Library of Medicine, U.S. FDA). If you have a history of respiratory problems or chemical sensitivities, be extra cautious with sprays and mists.
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This ingredient is found in the following products:
This list shows products that contain Hypochlorous Acid or its alternative names.
Scientific research related to this ingredient:
These research articles provide scientific evidence about Hypochlorous Acid safety and effects.
Yes, Hypochlorous Acid is generally considered safe for adults based on current research.
May harm organs like liver, kidneys, or lungs with repeated use.
Could weaken or confuse immune system.
Can make breathing issues like asthma worse in babies and kids.
Linked to long-term health effects after years of use or exposure.
Possible negative effects on the environment
Hypochlorous Acid is commonly found in skincare products, cosmetics, and topical applications. Always check ingredient labels before use.
The appropriate age depends on the specific ingredient properties and concentration. This analysis is for adults. Use the age selector above to check other ages.
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