Hypochlorous Acid

Good

Antibacterial

Hypochlorous Acid at a glance

  • Naturally occurring oxidizing ingredient
  • Helps tackle harmful microorganisms on skin & surfaces
  • Promotes a smooth appearance
  • Can help calm irritated or sensitized skin

Hypochlorous Acid description

Hypochlorous acid is a multi-purpose skin care ingredient that can help reduce harmful substances, like bacteria, on skin that can go on to cause redness and breakouts. It also has anti-fungal and germicidal properties that make it an interesting option for reducing common pathogens on skin and surfaces. The body naturally makes hypochlorous acid, where it serves as part of a fierce system of defense against harmful microorganisms that can cause illness and infection. It’s for this reason that hypochlorous acid is often tapped as a disinfectant in medical settings. When applied to skin, in-vitro and in-vivo studies demonstrate that hypochlorous acid can help promote a smooth texture, reduce the appearance of breakouts, soothe irritated and reddened skin, help reduce the health impact of various illness-causing pathogens, and help assist in skin recovery. Promising studies show that hypochlorous acid, when used in a superoxidized solution, might be on par with the breakout-busting ingredient benzoyl peroxide, but more research needs to be completed before boldly making that claim. This ingredient is highly sensitive to pH levels and overall product formula stability. Formulas that contain hypochlorous acid should have a pH between 3.5-5.5. The hypochlorous acid used in skin care formulas is synthetically created. It’s an active component of bleach, however it is not harmful to skin (remember, our body naturally makes it). Your nose may make this association since hypochlorous acid’s scent is reminiscent of bleach, albeit not as intense.

Hypochlorous Acid references

  • Journal of Oral and Maxillofacial Surgery, September 2020, pages 1,461-1,466
  • Dermatologic Surgery, December 2018, pages 1,489-1,493
  • The Journal of Clinical and Aesthetic Dermatology, November 2018, pages 36-39
  • Journal of Dermatological Treatment, April 2009, pages 289-292

Peer-reviewed, substantiated scientific research is used to assess ingredients in this dictionary. Regulations regarding constraints, permitted concentration levels and availability vary by country and region.

Ingredient ratings

Best

Proven and supported by independent studies. Outstanding active ingredient for most skin types or concerns.

Good

Necessary to improve a formula's texture, stability, or penetration.

Average

Generally non-irritating but may have aesthetic, stability, or other issues that limit its usefulness.

Bad

There is a likelihood of irritation. Risk increases when combined with other problematic ingredients.

Worst

May cause irritation, inflammation, dryness, etc. May offer benefit in some capability but overall, proven to do more harm than good.

unknown

We couldn't find this in our ingredient dictionary. We log all missing ingredients and make continuous updates.

Not rated

We have not yet rated this ingredient because we have not had a chance to review the research on it.