Short answer: “Parfum” on a label can stand for dozens of undisclosed scent compounds, and fragrance is the most frequently identified cosmetic allergen in patch-test clinics. About one in eight patients tested reacted to the standard fragrance mix. No GraceYes product contains parfum; every scent is a named essential oil or an ingredient itself.
Key takeaways
- “Parfum” or “Fragrance” can hide an entire scent blend, often dozens of compounds, as a trade secret.
- In one large clinic dataset, around one in eight patients tested reacted to the standard fragrance mix.
- Phthalates such as DEP can ride along inside parfum and are never listed separately.
- Honest caution: natural scents are not allergen-free. Essential oils contain declared allergens like linalool and limonene, so patch test.
What does “parfum” on an ingredient list actually mean?
It is the single word under which a manufacturer may list an entire scent blend, often dozens of compounds, protected as a trade secret. Every other line on an ingredient list names a substance. This one names a secret. You cannot patch test what you cannot see, and you cannot avoid what you are not told about.
How common is fragrance allergy?
Fragrance is the most frequently identified cosmetic allergen in patch-test clinics. In the North American Contact Dermatitis Group's 2017 to 2018 data, around one in eight patients tested reacted to the standard fragrance mix. Those were patients already referred to a clinic, so it does not mean one in eight people overall. The European Union recognised the issue early: since 2005, 26 named fragrance allergens must appear on the label when present above 0.001% in a leave-on product. In 2023 that list was expanded to more than 80 substances, with full compliance required by 2028.
India's labelling rules require no such disclosure. “Perfume” on an Indian pack can be anything.
Why do manufacturers use synthetic fragrance?
A synthetic fragrance blend does three jobs for a manufacturer, all of them cheap. It masks the smell of the base ingredients, which in a mineral-oil or sulfate formula is not pleasant. It makes a product smell the same from batch to batch and year to year, which natural materials never quite do. And it makes a product smell “clean”, which sells. The materials themselves cost a fraction of an essential oil, and no one has to name them.
What are phthalates, and how do they relate to fragrance?
Phthalates are the carrier. Scent evaporates, so fragrance blends need a fixative to hold it on skin and a solvent to dissolve it. For decades the answer has been phthalates, chiefly diethyl phthalate (DEP), which also appears on no label because it is part of “parfum”.
Phthalates are the subject of a large human literature. Higher urinary phthalate metabolites have been associated with sperm DNA damage in adult men and, in a 2005 study of 134 infants, with shorter anogenital distance in boys whose mothers had higher prenatal exposure, a marker of altered hormone signalling. These are associations, not proof of cause. On that evidence the EU banned dibutyl phthalate, diethylhexyl phthalate and benzyl butyl phthalate in cosmetics. DEP is still permitted in both the EU and India, and it is still what most “parfum” rides in on. If you are pregnant or choosing products for a baby, ask your doctor or paediatrician about fragrance.
The HERMOSA study found that three days on phthalate-free products cut girls' urinary DEP metabolite by 27%. The source, in other words, is the bathroom shelf.
How do the scent sources compare?
| What the label says | What it can contain | Can you see what is in it? |
|---|---|---|
| Parfum / Fragrance | A blend of dozens of undisclosed compounds, often with phthalate carriers | No, it is a trade secret |
| Named essential oil | One steam-distilled plant oil, with natural allergens such as linalool or limonene | Yes, named and declared |
| Hydrosol or the ingredient itself | Rose water smells of rose; turmeric soap smells of turmeric | Yes, it is the ingredient |
| Unscented | No added scent, though raw materials may still smell faintly | Yes, nothing added |
What do we do instead of using parfum?
No GraceYes product contains “parfum”. Where a product has a scent, it comes from one of two things, and both are written on the label: a steam-distilled essential oil, or the ingredients themselves. Rose water smells of rose because it is rose. The turmeric soap smells of turmeric.
We want to be precise about the trade-off, because natural materials are not free of allergens. Lavender oil contains linalool, citrus oils contain limonene, and both are on the EU allergen list. The difference is that ours are declared, so a person who reacts to linalool can see it and choose. That is the whole argument: not that plants cannot irritate, but that you should be told what is in the jar.
What mistakes do people make with fragrance-free claims?
- Trusting “unscented” to mean fragrance-free. Some unscented products add a masking fragrance. Check the list for parfum or fragrance.
- Assuming natural means non-allergenic. Essential oils contain allergens too. Declared is better than hidden, but it is not the same as safe for everyone.
- Skipping the patch test on a “gentle” product. Always test a new product first.
Safety and patch test
Apply a small amount to the inner forearm and wait 24 hours before first use, especially if you have reacted to scented products before. If you have a skin condition, are pregnant, or are buying for a child, ask your doctor first.
Frequently asked questions
Is fragrance-free the same as unscented?
Not always. Unscented products can contain a masking fragrance to hide base smells. Fragrance-free means no fragrance ingredient was added, so check for parfum on the list.
Do essential oils cause allergies too?
They can. Lavender oil contains linalool and citrus oils contain limonene, both on the EU allergen list. We declare them on the label so you can choose.
Why does the EU list fragrance allergens but India does not?
EU rules require 26 named allergens (now more than 80) to appear on the label above set limits. Indian labelling rules require no such disclosure at the moment, so “perfume” can mean anything.
Are phthalates always listed on the label?
No. They are not listed separately when they are part of a fragrance blend, which is why they are hard to avoid by reading the list alone.
What is the HERMOSA study?
A small intervention study in which girls switched to products labelled free of certain chemicals for three days, and their urinary DEP metabolite fell by 27%. It shows the shelf is a source, not that any harm resulted.
Can I use scented products during pregnancy?
Ask your doctor. This article is general information about labelling and does not replace medical advice.
In short: we would rather name every scent than hide it behind one word. See the full list on The No list, then browse our bestsellers to see how a named-scent product reads on the label.
For a longer guide, see how to read an ingredient label.
Our motto: to make the cleanest beauty products
To see how a product with every scent named reads, browse our bestsellers.
Browse our bestsellers →Sources
- DeKoven JG et al. North American Contact Dermatitis Group patch test results: 2017–2018. Dermatitis. 2021;32(2):111–123.
- Regulation (EC) No 1223/2009, Annex III: 26 fragrance allergens requiring individual labelling above 0.001% (leave-on) and 0.01% (rinse-off).
- Commission Regulation (EU) 2023/1545: fragrance allergen list expanded to more than 80 substances.
- Duty SM et al. The relationship between environmental exposures to phthalates and DNA damage in human sperm using the neutral comet assay. Environmental Health Perspectives. 2003;111(9):1164–1169.
- Swan SH et al. Decrease in anogenital distance among male infants with prenatal phthalate exposure. Environmental Health Perspectives. 2005;113(8):1056–1061. doi:10.1289/ehp.8100
- Harley KG et al. HERMOSA intervention study. Environmental Health Perspectives. 2016;124(10):1600–1607. doi:10.1289/ehp.1510514