The ingredient, explained
Bacillus
Bacillus is a rod-shaped, gram-positive bacteria found in nature.
Ingredient guide
What it is and what it does
About this ingredient: EU CosIng ingredient registry (via Open Beauty Facts taxonomy) ↗
- Skin conditioning
- A broad cosmetic role for maintaining skin condition. It does not identify a particular clinical benefit.
Function definitions: European Commission ingredient function definitions (SCCNFP/0299/00, pages 16 to 20) ↗
Registry functions describe possible formulation roles, not results for a finished product. A dictionary entry is not an approval or a safety assessment.
A closer look
What the research shows
Bacillus genus does not establish species, strain, viable cells or ferment extract. Candidate 39161108 tests a Thermus thermophilus/Bacillus subtilis mixed-culture extract, a distinct preparation.
Research review checked Oct 1, 2026
Read exact local candidate abstracts first; select identity-relevant papers; targeted primary PubMed/publisher searches. This is not an exhaustive systematic review.
Ingredient research is not proof that a product containing this ingredient works.
Follow the formula
Products containing this ingredient
From the wider catalogue. Linked by the ingredient list, without an efficacy ranking.
Names and identifiers
- INCI name on ingredient lists
- BACILLUS
Sources for this ingredient record
- EU CosIng ingredient registry (via Open Beauty Facts taxonomy) ↗ · ODbL 1.0 (Open Beauty Facts database) · Recorded Aug 8, 2026

