Clean Beauty & Phenoxyethanol: Is Phenoxyethanol Safe in Skincare?

Written by Dr. Natacha Bonjout — Pharm.D. in Physiology of Skin Complexion, trained at Chanel Research Labs in Paris.

Few ingredients show the distance between science and the clean beauty conversation as clearly as phenoxyethanol. Search for it and you will find it described in two ways: as a widely used cosmetic preservative, and as something to avoid at any cost.

Both descriptions are popular. Only one of them is a safety assessment.

Phenoxyethanol protects cosmetic formulas from microbial contamination. In the European Union it is authorized as a preservative at up to 1%, a level the Scientific Committee on Consumer Safety has reviewed and concluded is safe for cosmetic use.

We do not formulate Le Balm with phenoxyethanol. I want to be precise about what that does and does not mean, because it is a formulation decision, not a claim that phenoxyethanol is unsafe. Those are two very different statements, and most of the clean beauty controversy lives in the space between them.

What Clean Beauty Means, and Where the Controversy Starts

Clean beauty has become one of the most influential ideas in the industry. It is also one of the hardest to define. There is no universal standard behind it. Retailers and brands establish their own criteria, which often include ingredient exclusion lists.

It pushed people to ask better questions about what is inside a product. I think that is a good thing.

The trouble starts when ingredients get sorted into two boxes, clean and toxic. Cosmetic safety does not work that way. Whether an ingredient is safe depends on the substance itself, the concentration, the exposure, the way the product is used, and the finished formula it sits in.

Synthetic vs Natural Ingredients

Origin does not determine safety.

Some synthetic ingredients give a formulator a level of purity, consistency, stability, or performance that a plant material cannot. Natural ingredients can contain allergens and sensitizing compounds. Neither category is automatically the better one.

As a pharmacist and a formulator, I am less interested in whether an ingredient sounds natural than in four questions. Why is it in the formula? At what concentration? What evidence supports its use? And what does it contribute to the finished product?

What Is Phenoxyethanol? Uses and Preservative Benefits

Phenoxyethanol in skincare is an aromatic ether used as a preservative in cosmetics and personal care products. In skincare, the uses of phenoxyethanol come down to one primary role: preservation, helping protect a formula against microbial growth throughout its intended shelf life and use. Depending on the formula, it may be used alone or as part of a broader preservation system.

That job deserves to be stated plainly, because preservatives attract more suspicion than any other category of ingredient. A cosmetic containing water can give microorganisms the conditions they need if the formula is not properly protected, and a contaminated product is a real safety problem. The FDA points to contaminated raw materials, water, poor manufacturing conditions, and inadequate preservation as sources of that risk, and places responsibility on manufacturers for the microbiological safety of what they sell.

The phenoxyethanol preservative benefits of an effective preservation system are not glamorous. They help ensure that the cream you opened months ago remains safe to use as intended.

Is Phenoxyethanol Safe for Skin?

The safety of phenoxyethanol has been evaluated by cosmetic safety authorities, and the European SCCS concluded that it is safe for use as a preservative at concentrations up to 1%.

The phenoxyethanol concentration limits in the European Union are set at a maximum of 1% for use as a preservative. The SCCS reviewed the toxicological and exposure data, including children's exposure, and concluded that it is safe at that level.

French authorities have previously raised specific concerns about phenoxyethanol exposure in products used on the diaper area of children under three. However, the EU wide regulatory limit remains 1% for use as a cosmetic preservative, and the SCCS concluded that this concentration is safe, including when considering children's exposure.

Phenoxyethanol Risks and Side Effects

Any cosmetic ingredient or finished product has the potential to cause irritation or sensitivity in some individuals. If you know a product causes you a problem, that is real information, and avoiding it is entirely reasonable.

But individual intolerance is not the same thing as evidence that an ingredient is broadly unsafe at the concentration it is actually used in. No cosmetic ingredient, natural or synthetic, can promise that nobody will ever react to it.

Why the Controversy Persists

Much of the confusion comes down to the difference between hazard and risk.

Hazard asks whether a substance could cause harm under some set of circumstances. Risk asks how likely that harm is, given how much of the substance is present and how people are actually exposed to it. A study run at a high dose, or through a different route of exposure altogether, can circulate online for years without either piece of that context attached.

Cosmetic safety assessment exists to supply it. The dose matters, the formulation matters, and the way a product is used matters.

Phenoxyethanol and Other Common Cosmetic Preservatives

There is no single preservation system that suits every formula. Products differ in pH, water activity, packaging, ingredient system, and expected conditions of use, and a formulator builds a preservation strategy around those variables.

That strategy may involve phenoxyethanol. It may involve a different preservative, or a combination of several. In certain anhydrous formulas designed for it, a conventional preservative system may not be required.

The goal is not to remove preservatives at any cost. It is to build a product that stays safe and stable for as long as you use it.

Why Le Balm Does Not Contain Phenoxyethanol

Le Balm was designed as a waterless solid serum, and that changes the formulation architecture considerably. Available water is one of the main factors in microbial growth, which is why water containing formulas call for particularly careful preservation strategies.

Le Balm's waterless architecture reduces many of the microbiological challenges associated with water containing formulas and is part of what allows us to formulate without phenoxyethanol.

Every ingredient in a formula should have a reason to be there. So should every ingredient left out.

Does Waterless Mean Preservative Free?

Not automatically, and I would not want anyone to finish this article believing it does.

Taking water out substantially reduces the conditions microorganisms need to multiply. It does not close the question. Raw materials, manufacturing practice, packaging, storage, and the way you handle a product at home all matter. FDA guidance asks manufacturers to evaluate finished products for contamination and for the adequacy of their preservation under reasonably foreseeable storage and use.

Waterless is a formulation architecture. It is not a guarantee.

How to Read a “Free From” Claim

A “free from” claim tells you exactly one thing: the ingredient is absent. It does not tell you that the replacement is safer, more effective, or better suited to your skin.

If you know you are sensitive to something specific, avoiding it makes sense. Otherwise, look past the exclusion list. Consider the complete formula, what each ingredient is doing in it, how the product has been tested, and whether the brand explains its choices with evidence rather than fear.

The Bonjout Take

I understand why clean beauty became so powerful. People wanted transparency, and they wanted brands to explain what was inside the bottle and why. Those are good expectations, and the industry is better for having been pushed.

But transparency should lead to better science, not to longer lists of ingredients to be afraid of.

Phenoxyethanol is a useful example. It is a preservative with a clear function, and at permitted concentrations its cosmetic use is supported by regulatory safety assessment. We do not use it in Le Balm because the formula was built without it, not because we need to call it toxic to justify the decision.

Good formulation is not about having the shortest ingredient list or the highest percentage of natural ingredients. It is about knowing exactly why each ingredient is there.