The Index · Ferment filtrate / extract
Aspergillus Ferment
Aspergillus Ferment
Microbial ferment ingredient (Aspergillus Ferment) used for conditioning and microbiome-adjacent marketing.
EmergingFerment cosmetics rarely have robust independent RCTs for labeled claims.
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Microbial ferment ingredient (Aspergillus Ferment) used for conditioning and microbiome-adjacent marketing.
What it does
Aspergillus ferment used as a conditioning/enzyme-adjacent INCI in some SPF stacks.## The evidence
Evidence grade emerging: Ferment cosmetics rarely have robust independent RCTs for labeled claims. Credible chemical identity and cosmetic-use context come from CIR/SCCS/manufacturer INCI definitions and databases such as SpecialChem/PubChem[1].
How to use it
Expect this as a supporting INCI line item unless labeled as a featured active.
Evidence by claim
Graded separately; the entry grade is the best-supported claim
Microbial ferment ingredient (Aspergillus Ferment) used for conditioning and microbiome-adjacent marketing.[1]
EmergingSafety & limits
Source and region, always
all — Used in cosmetics within conventional leave-on/rinse-off levels; see cited safety literature.[1] CA US EU UK
Sources · 2
Numbered as cited in the text
- [1]SpecialChem. SpecialChem INCI profile: Aspergillus Ferment. SpecialChem (2024)other
- [2]Cosmetic Ingredient Review. Ferments / filtrates context. CIR (2019)regulator
Revision history
18 Sept 2026Drafted by botTheSkindex Desk