Thesis
Fragrance is the second most common cause of contact dermatitis in skincare, behind only preservatives. We weighed the marketing trade-off — fragrance-free products sell less on first sniff — and dropped it anyway. The dermatology argument was unanimous internally. The pricing argument lost. Five words: the skin doesn’t need it.
The internal debate happened over a single afternoon in March 2024. We had three formulas in development. Two had pleasant scent profiles from the base ingredients. One had a deliberate fragrance added because the formulator wanted to mask a slightly funky note from a postbiotic. The question on the table was whether to ship any of them with added fragrance. The answer we landed on was no, across all three, and that became the policy for everything since.
Why this argument has two sides
Fragrance sells products. Not subtly. The first thirty seconds of any in-store skincare encounter is the customer opening a jar and smelling it. A neutral-smelling product reads as cheap or unfinished. A pleasantly scented one reads as luxurious. The conversion data on this is not ambiguous.
The counterargument is dermatological. Fragrance, both natural and synthetic, is one of the most common triggers of allergic contact dermatitis. The American Contact Dermatitis Society lists fragrance mix and balsam of Peru in their top ten allergens year after year. Even the readers who tolerate it day to day often have a subclinical inflammatory response — skin that looks fine but is running hotter than it needs to.
What the dermatology literature actually says
The numbers are uglier than people realize. A 2020 review in Contact Dermatitis by Uter et al. analyzed patch test data from 27,571 European patients across nine years and found fragrance mix I positivity in 7.3 percent, with the rate climbing steadily in younger cohorts. A separate North American Contact Dermatitis Group study from 2019 reported that approximately 1 in 12 patients tested positive to at least one fragrance allergen.
One in twelve is a lot of people. It is more people than have any single skin concern most products are marketed to address. And the rate is higher in patients who report sensitive skin, eczema, or barrier compromise, which is most of the audience we are writing for.
The contrarian position: the “natural” fragrance loophole is worse
The category response to the fragrance debate has been to swap synthetic fragrance for essential oils and call the product fragrance-free in spirit. This is worse on the dermatology data, not better. Essential oils contain the same fragrance allergens , limonene, linalool, citral, geraniol , at higher concentrations than most synthetic fragrance compounds. The label says “with botanical extracts” instead of “fragrance,” and the skin response is the same or worse.
We hold the same line on both. No synthetic fragrance, and no essential oils added for scent. If a base ingredient has a smell, the product has that smell. We don’t mask it and we don’t replace it with something the regulatory copy lets us call natural. A compromised barrier doesn’t care whether the irritant is from a lab or a flower.
What we lost in the trade-off
First-time purchase conversion is measurably lower for fragrance-free products in our category. We have run the numbers. The honest read is that we are leaving some revenue on the table at the top of funnel. We have decided that the revenue we keep , repurchase from customers whose skin is calmer six months in , is worth more in the long arc.
I also think the trade-off is overstated. Customers who actually use skincare for results, not for the unboxing, get past the smell question quickly. The first ten people who reorder don’t mention fragrance. They mention what their skin looks like.
What the formulas smell like
The Microbiome Glow Serum has a faint, slightly fermented note from the postbiotics , not unpleasant, but not floral. The BioCell Renewal Cream is almost odorless; the peptide base is quiet. The Mindful Masks have a clean clay note. None of them are designed to smell like anything. They are designed to do something.
FAQ
Is “unscented” the same as fragrance-free? No. Unscented usually means masking fragrance was added to neutralize an unpleasant base smell. Fragrance-free means no fragrance compounds, masking or otherwise.
Are essential oils allowed in fragrance-free products? Legally, sometimes. We don’t allow them in ours.
What about products that smell because of an active ingredient? Those are fine. Postbiotics smell mildly fermented. That isn’t added fragrance, it’s the ingredient.
Will my skin get less reactive over time? Often, yes. Reducing fragrance load is the single most useful change for a barrier in repair mode.
Why don’t all brands do this? Marketing. The sensory experience drives purchases more than the long-term outcome does, until the customer learns to pay attention to outcomes.
Where can I read more? The fragrance-free tag has the related ingredient pieces.
Sources
Uter W et al. Contact allergy to fragrance: a European patch test database analysis. Contact Dermatitis, 2020. North American Contact Dermatitis Group patch test results, 2019. American Contact Dermatitis Society allergen of the year list, 2007 to 2024.