Tocopherol/Lactobacillus Ferment
Vitamin E within a fermented matrix. Antioxidant effect comes from the tocopherol component.
Evidence by route
Topical application
Plant extract. Clinically meaningful effect on human skin is not supported by robust evidence; data limited to in vitro / lab models.
How to read tiers A–F
- CWeak evidence. In vitro data, open-label studies, or expert consensus
Tolerability and safety
- Irritation potential
- Low
- Allergen risk
- Low
- Pregnancy
- Unknown
About this ingredient
Tocopherol/Lactobacillus Ferment is vitamin E within a fermented matrix of Lactobacillus metabolites. Marketing positioning – 'probiotic vitamin E'. Mechanism. The main active is α-tocopherol with antioxidant action (see the tocopherol card). The lactobacillus ferment filtrate contains polypeptides, lactic acid, exopolysaccharides – marketed as a 'postbiotic complex' with claimed soothing effect. Where applied. K-beauty and J-beauty serums and creams, 'microbiome' formulas. Final-product concentration 0.5-3%. Evidence base. For tocopherol – see the tocopherol card. Direct RCTs on the fermented portion are scarce; in vitro – suppression of inflammatory cytokines in keratinocytes. Safety. CIR confirmed safety of both components. Non-sensitizing, non-comedogenic. Pregnancy and lactation – safe.
Frequently asked questions
Is Tocopherol/Lactobacillus Ferment safe during pregnancy?
Safety data for Tocopherol/Lactobacillus Ferment during pregnancy is insufficient. Best avoided when in doubt.
What is Tocopherol/Lactobacillus Ferment and what does it do in cosmetics?
Vitamin E within a fermented matrix.
What's the INCI name for Tocopherol/Lactobacillus Ferment?
The INCI name is Tocopherol/Lactobacillus Ferment.
See Tocopherol/Lactobacillus Ferment in a product composition right on the store page
The Evigrade extension adds an evidence panel to iHerb, Sephora, Druni and 12 more stores. This ingredient and every other one in the product show evidence-tier, allergen risk and pregnancy/lactation flags at a glance.
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