How to List Ingredients Under One Percent

You've got a formula with fifteen ingredients, and the last five are all under a percent each. Do you have to figure out whether Panthenol at 0.3% goes before or after Tocopherol at 0.25%? This is one of those label questions that looks fussy until you understand the logic, and then it clicks and you stop worrying about it.

The rule above one percent

For ingredients present at more than 1% of the formula, the label must list them in descending order of concentration. The highest-concentration ingredient goes first (usually Aqua, since water dominates most formulas), then the next highest, and so on down to the 1% mark. This part is not optional and not approximate. If your preservative is at 0.8% and your humectant is at 3%, the humectant has to appear earlier on the list.

The rule at and below one percent

Once you cross below the 1% threshold, the descending-order requirement stops applying. Everything at 1% or under can be listed in any order you like, relative to each other. This exists because manufacturers reformulate constantly at the trace level, tweaking a preservative blend or adjusting a fragrance by a tenth of a percent, and requiring a re-verified strict order for every minor ingredient every time would be a paperwork treadmill with no real safety benefit. The ingredients that matter most for a consumer scanning the label are the ones present in meaningful amounts, and those are exactly the ones the strict ordering rule protects.

How to mark the transition point

Because there are two different rules stacked on one list, the label needs to show where the strict zone ends and the flexible zone begins. This is typically done by adding a small notation once you hit the ingredients present at 1% or less. It's common to see phrasing like "ingredients below 1% are listed in no particular order" or similar wording included on the label or in supporting documentation. The exact phrasing convention can vary a bit by market, so if you're notifying in a specific country, it's worth checking that market's current labeling guidance for the accepted wording.

Working example

Say your finished lotion formula looks like this:

Ingredient (INCI)	Approx. %	Order rule
Aqua	72%	Strict, listed first
Glycerin	8%	Strict
Caprylic/Capric Triglyceride	6%	Strict
Cetearyl Alcohol	4%	Strict
Glyceryl Stearate	3.5%	Strict
Phenoxyethanol	0.9%	Any order below this point
Xanthan Gum	0.4%	Any order
Tocopherol	0.3%	Any order
Fragrance (Parfum)	0.25%	Any order, subject to allergen rules
Citric Acid	0.1%	Any order

Notice Fragrance sits in the flexible zone here, but that doesn't excuse it from separate allergen disclosure rules. Descending-order placement and allergen labeling are two different requirements running in parallel. An ingredient can be exempt from strict ordering and still need to be named individually if it's a declarable fragrance allergen above the relevant threshold.

Where this trips people up

The most common mistake isn't getting the order wrong below 1%, since that's forgiving by design. It's misjudging which ingredients actually sit above 1% in the first place. Makers sometimes eyeball a formula and assume an active or a botanical extract is minor when the actual usage level, once you account for a supplier blend's concentration and the dilution in your recipe, puts it above the 1% line. That's a math problem, not a judgment call, so it's worth working from your actual batch percentages rather than a rough sense of "this is a small ingredient."

This is also where mapping trade names to INCI and carrying real percentages through supplier blends matters. If a blend is used at 2% in your formula but only contributes 15% of its own weight as the active INCI ingredient, that active is sitting at 0.3% in the finished product, not 2%, and belongs in the flexible zone. Cosmetic Comply handles that blend expansion automatically when it maps your ingredients, so you're not doing the multiplication by hand every time a formula changes.