By Justin Gardner, Co-Founder, Active Skin Repair
Published 9/12/2026 · Last updated 9/12/2026
Summary: The phosphates in a stabilized hypochlorous acid formula serve a critical function. They hold the formula steady so the active ingredient remains effective for the life of the product. Removing them would not make the formula cleaner; it would make it degrade sooner.
Anyone who reads ingredient labels closely has reason to pause at this one. Phosphates appear on a great deal of processed food packaging; there is legitimate published concern about phosphates in the diet, and the word itself is nonspecific. The question is fair, and it deserves a complete answer rather than reassurance.
What the phosphates are doing
They hold the formula stable.
Hypochlorous acid (HOCl) is inherently unstable. Left on its own, it begins breaking down shortly after production. A stabilizing agent prevents that, which is why a bottle from a quality manufacturer performs similarly 24 months after production.
That is the entire role. The phosphates in this formula are not a preservative, a fragrance carrier, a filler, or a lower-cost substitute for a better ingredient. They exist to keep the active ingredient active.
What happens to a formula without one
It loses potency and efficacy quietly (and often quickly).
This is the practical consequence, and it matters because buyers can't detect it. A hypochlorous acid spray without a stabilizing agent looks the same, smells the same, and sprays the same well after it has lost most of its strength. No color change, no separation, and no odor indicate the product is no longer doing what it claims.
For this reason, the absence of a stabilizer in a hypochlorous acid product should not be read as a purity feature. In most cases, it indicates that the stability problem was not properly addressed, and the buyer has no way to know whether a given bottle is still within its useful window.
Here at Active Skin Repair, we often test other manufacturers' products, and unfortunately they often come back with much less HOCl than advertised, or in some cases, none at all.
The relationship to phosphates in food
The nutrition literature raises genuine concerns about phosphates in processed food, and it would be dishonest to dismiss them.
That concern is about consumption. It involves substantial quantities taken in by mouth, repeatedly, across many foods, accumulating over time as part of a daily dietary total. It is most relevant to people with reduced kidney function, and it is an area of active research and regulatory attention. It is a legitimate conversation about diet.
A topical spray involves different exposures that determine risk. The amount involved is very small, the product is not food, and it is not swallowed. The factors that make dietary phosphate intake worth monitoring — quantity, repetition, and absorption through the digestive system — do not apply to a product applied to the surface of the skin.
The two are related compounds used for different purposes in different contexts.
Why the formula includes them
Active Skin Repair is FDA-cleared for use on cuts, scrapes, wounds, and burns. That clearance requires manufacturing consistency, documentation, and evidence that the product performs as labeled.
Those requirements cannot be met with a formula that degrades on the shelf. The non-toxic stabilizing agent is not a compromise to the formulation's quality. Rather, it is part of how the product qualifies for the many uses it is cleared for, the certifications it carries, and a 2-year (24-month) period.
We have produced more than 30 million bottles of Hypochlorous Acid in our ISO-certified clean room in California. We test every production lot before release. The formulation carries a two-year shelf life from production, supported by stability testing (many, if not most brands simply do not do this).
Questions worth asking of any brand
Rather than accepting any brand's account of its own formula, including ours, the following questions are useful:
- What is the hypochlorous acid concentration? If it is not disclosed, it is likely not being controlled.
- What is the shelf life, and from what date? The absence of a stated shelf life generally indicates the absence of stability testing.
- Is there a stabilizing agent in the formula? Water and salt alone will not hold.
- What is the product approved for? Suitability for sensitive skin and FDA clearance for wound care are different claim categories.
- Where is it manufactured, and is every lot tested?
For Active Skin Repair: 0.012% hypochlorous acid, a two-year shelf life from production, non-toxic phosphate-stabilized, FDA-cleared for minor wounds, manufactured and tested in an ISO-certified clean room in California.
Frequently asked questions
Why does Active Skin Repair contain phosphates? To keep the active ingredient stable. Hypochlorous acid degrades quickly on its own, and our non-toxic phosphates hold the formula steady so it remains effective years after the bottle is opened.
Are these the same phosphates people avoid in processed food? They are related compounds. The dietary concern involves consuming substantial amounts by mouth over an extended period. For Hypochlorous Acid products, it is a trace amount in a product applied to the skin and not ingested, which is the distinction that matters.
Is a phosphate-free hypochlorous acid product better? Not with respect to stability. Without a stabilizing agent, a hypochlorous acid formula often loses potency well before its apparent expiration, and the change is not detectable by the user. Phosphate-free is a meaningful claim in some product categories; however, in regard to hypochlorous acid, it generally indicates a less stable formula.
Do phosphates make the product harsher? No. Active Skin Repair is safe to use around the eyes, mouth, nose, and ears, and we use the same formulation in products intended for infants. Our phosphates are simply non-toxic buffering salts.
Are brands advertising a higher concentration offering a stronger product? Not in a way that translates to better performance. Hypochlorous acid works at a small fraction of the amount contained in a typical bottle, so most products already exceed the threshold at which additional concentration adds benefit. Higher concentrations are often harsher on healing skin and harder to stabilize. A figure on a label also carries limited weight unless the manufacturer must verify it and show it holds over time.
Is hypochlorous acid the same as bleach? No, though they are related compounds. Hypochlorous acid is a form produced by the human immune system and is more efficient against bacteria, which is why it works at a tiny fraction of the strength bleach requires. Household bleach is far more concentrated and highly alkaline, which is what makes it suitable for surfaces and unsuitable for skin.
Is Active Skin Repair Safe For My Family? Our hypochlorous acid products are safe for use on your entire family, even around sensitive areas like the eyes, ears, nose, and mouth. Additionally, our formulas are FDA-cleared for use on cuts, scrapes, wounds, and burns, which is a more rigorous medical clearance rather than simply a cosmetic certification, which many HOCl products carry.
Scrutinizing ingredient labels matters, and it is most useful when you ask the right context questions to determine a holistic answer.
For hypochlorous acid, the question is not only whether a non-toxic stabilizing agent is present. You must also ask whether the product will remain effective months after purchase and whether the manufacturer can provide evidence that it will.
For further detail on manufacturing standards and what FDA clearance involves, see Medical-Grade vs. Cosmetic Hypochlorous Acid.