aurafirm S

Postbiotic Active to Restore a Disrupted Microbiome

aurafirm S is a fermented oat liquid that helps restore a disrupted skin microbiome. When skin feels dry, tight, and flaky, aurafirm S can be essential in significantly hydrating the skin.


2,000 Bacterial Count/ml of Lactobacillus Bacteria

0.5% Bioactive Peptides

4,000 mg/kg Organic Acids

Key Claims

Improves Hydration increases hydration after just 1 day. Rebalances Skin pH which contributes to a healthy microbiome. Restores Skin Microbiome improves skin bacterial quantity and diversity.
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Happy woman applying Aurafirm S to her face.


  • Restores the skin microbiome that has been severely disrupted, for example after washing with harsh soaps or cleansers
  • Rapidly improves skin hydration that may be lost due to daily exposure to external factors
  • Suitable for sensitive skin as aurafirm S is considered both hypoallergenic and non-irritant
  • Consumers claimed that their skin feels more hydrated, smoother, and softer with aurafirm S, compared to placebo.

aurafirm S is also available as unpreserved (with the same efficacy as preserved)


Moisturising & Soothing

Skin hydration plays a vital role in preserving its health, look, and performance. Moisturising skincare products contain ingredients that help retain water in the skin, preventing dryness.

Skin Microbiome Support

Supporting the skin microbiome means preserving a naturally diverse and balanced collection of microorganisms (bacteria) that naturally inhabit the surface of the skin. This balance is essential for healthy skin function and overall well-being.



Aqua, Avena sativa (Oat) Kernel Extract, Lactobacillus Ferment, Sodium Benzoate, Potassium Sorbate


Aqua, Avena sativa (Oat) Kernel Extract, Lactobacillus Ferment


Avena sativa (Oat) Ferment, Fermented Oat Extract, Lactobacillus Ferment

Physical Form

Pale yellow transparent liquid


Manufactured in Germany


  • ECOCERT ‘Natural’ according to COSMOS standards
  • Fragrance-Free
  • Dermatologically Tested
  • Alcohol-Free
  • Hypo-Allergenic
  • Free from allergens
  • Free from animals
  • Not tested on animals
  • China INCI Compliance
  • Natrue Approved

Formulation Guidelines

1-2% in skincare products.

Pack Sizes

  • 1 kg
  • 5 kg
  • 10 kg
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Frequently Asked Questions

What are the main claims for aurafirm S?

aurafirm S is a postbiotic active which restores a disrupted skin microbiome. It hydrates and soothes dry skin. It also has an antioxidant effect resulting in an even skin tone. More information on these studies, and the products efficacy can be found in aurafirm S Data Pack. Please contact our sales team at [email protected] for more information.

How does aurafirm S provide a postbiotic effect?

aurafirm S has been centrifuged and finely filtered to produce a powerful postbiotic material which gives a rebalance a disrupted microflora. aurafirm S contains a range of metabolites produced by live bacteria during the fermentation process that help to regulate the composition of the skin microbiome ecosystem such as organic acids, amino acids and bioactive peptides.

What are the physical properties of aurafirm S?

aurafirm S is a pale yellow to pale orange, transparent liquid which can be used in skincare and haircare applications and can be formulated within a wide range of pH levels (3.0 to 6.0). For more information, feel free to download the aurafirm S Technical Data Sheet from our website.

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