Alteromonas Ferment Extract: the innovative marine active ingredient for the skin

1. Introduction: the richness of the marine world

The oceans hold unsuspected treasures for cosmetics. Among them, marine microorganisms have developed unique strategies over the millennia to survive in extreme environments—high salinity, intense pressure, and low light. These adaptations result in the production of protective, moisturizing, and antioxidant molecules. Alteromonas Ferment Extract , derived from the fermentation of marine bacteria of the genus Alteromonas , is a striking example of this natural wealth, transformed through biotechnology into a cutting-edge cosmetic active ingredient.

2. What is Alteromonas Ferment Extract?

This extract is obtained by controlled fermentation of marine bacteria such as Alteromonas macleodii . The process produces exopolysaccharides and other bioactive biomolecules. These molecules provide the extract with its key properties:

• Film-forming : forms a protective film on the skin.
• Moisturizing : improves water retention in the epidermis.
• Antioxidant : helps limit the effects of oxidative stress.
• Stimulating : Promotes collagen production by fibroblasts, contributing to firmer, plumper skin.

3. Origin and scientific discovery

Marine bacteria live in extreme conditions and naturally produce molecules that protect their cellular structure. Researchers have identified these molecules as particularly suited to modern cosmetics. In the laboratory, Alteromonas strains are cultivated and fermented to obtain polysaccharide-rich extracts, used today in high-end serums, creams, and essences .

Scientific studies focus in particular on:

• Hydration and water retention capacity
• Stimulation of collagen synthesis
• Protection against environmental aggressions and oxidative stress

4. Mechanisms of action

Protective film

The polysaccharides present in the extract form a light barrier on the skin, limiting the adhesion of polluting particles and protecting the epidermis from external aggressions.

Hydration & water affinity

The extract has humectant properties , allowing the skin to retain water and remain supple and comfortable throughout the day.

Collagen stimulation

In vitro studies on human fibroblasts show that the extract can increase collagen production by 57–67% depending on the concentration (0.1–0.2%) without cytotoxicity. This effect helps to firm the skin and smooth fine lines, generating a mild “botox-like” effect .

Antioxidant action

The extract helps neutralize free radicals and protect the skin against oxidative stress, helping to preserve its natural radiance and vitality.

5. Scientific studies and quantified results

• In vitro : 57–67% increase in collagen synthesis by fibroblasts, with maintenance of cell viability.
• Clinical trials : after 56 days of daily application to face and neck:
  • Hydration: +23% (measured by corneometry)
  • Firmness: +18%
  • Skin radiance and texture noticeably improved by participants
• Anti-pollution : the extract reduces the adhesion of fine particles (PM2.5) to the skin surface, supporting protection against premature aging linked to the environment.

These results show that Alteromonas Ferment Extract is a promising active ingredient for moisturizing, firming and protective care, while remaining compatible with all skin types.

6. Cosmetic applications and conclusion

Alteromonas Ferment Extract is incorporated into:

• Anti-aging and moisturizing serums
• Day/night creams and essences
• Protective or post-exposure masks

Typical concentration: 0.05–0.5% , with optimal effects observed around 0.1–0.2%. The active ingredient combines easily with peptides, hyaluronic acid and antioxidants to enhance the overall effectiveness of the treatment.

Why include it in an Innadermys routine?

• Long-lasting hydration and supple skin
• Visible firmness and smoothing effect
• Protection against environmental aggression
• Improved shine and texture
• Ethical and sustainable formula, respectful of the skin and the planet

By combining marine biotechnology and natural cosmetics , Alteromonas ferment extract perfectly embodies Innadermys' mission: to offer scientifically supported, effective and responsible skincare to reveal brighter and more protected skin. Discover our anti-aging Deep Restore Day Cream.