Prebiotic/Probiotic/Postbiotic

Sphingobacterium Ferment Extract

INCI: SPHINGOBACTERIUM FERMENT EXTRACT

Reviewed by Rosie · Last updated 2 Jun 2026

A fermented bacterial extract that conditions and softens the skin barrier

Best For Skin Types

All, Dry, Sensitive

Addresses

Dryness, Barrier repair, Sensitivity

Usage Frequency

Daily

What Is Sphingobacterium Ferment Extract?

Sphingobacterium Ferment Extract is derived from the fermentation of Sphingobacterium, a naturally occurring bacterium. The fermentation process breaks down cellular components into smaller, bioavailable molecules that can be incorporated into skincare formulations.

This ingredient functions primarily as an emollient and skin conditioning agent, helping to soften the skin surface and support the skin's natural moisture retention. It is used in relatively small concentrations within formulated products.

How It Works

The fermentation process produces compounds that penetrate the outer layers of skin and bind water to the stratum corneum, the outermost skin layer. This hydrating effect creates a smoother, softer feel to the skin and can help reduce the appearance of rough patches.

As an emollient, it also forms a protective layer on the skin surface that minimises moisture evaporation, supporting the skin's ability to maintain its natural hydration balance.

Clinical Evidence & References

Published clinical data on Sphingobacterium Ferment Extract specifically is limited. Most evidence comes from manufacturer-sponsored research and cosmetic safety assessments rather than independent peer-reviewed studies.

The ingredient appears to be well-tolerated in formulations and functions as a gentle conditioning agent, though more rigorous third-party studies would help establish its full benefits and optimal usage concentrations.

How to Use

This ingredient is typically used as part of a complete formulation rather than as a standalone treatment. It works well in moisturisers, serums, and hydrating products. Apply to clean skin morning and evening as directed by the product instructions. It pairs well with other hydrating and barrier-support ingredients.

Safety & Precautions

Generally considered safe and well-tolerated for topical use. Suitable for sensitive skin, though patch testing is always recommended when introducing new products.

Frequently Asked Questions

From the Clinic

Not sure what your skin actually needs?

Two minutes, a few questions, and we’ll point you at what matters — no guesswork.

Take the skin quiz

Learn More About Skincare Ingredients

Explore our comprehensive ingredient glossary to understand what's in your products.

Browse All Ingredients

Authorised Stockist

Official UK retailer

Tracked Delivery

Free UK shipping over £50

5 Star Rating

Trusted by thousands

Expert Advice

Free consultations