Pseudoalteromonas Ferment Extract is a biotechnologically derived glycoprotein that serves as a powerful humectant and skin-regenerating agent. Originally discovered in the icy waters of Antarctica, it excels at protecting the skin from extreme cold while stimulating structural protein production to reduce wrinkle depth.
- INCI Name:
- Pseudoalteromonas Ferment Extract
- Chemical/Scientific Name:
- Exocellular polymeric substance (EPS) from Pseudoalteromonas antarctica
- Common Aliases:
- Antarcticine, Glacial Glycoprotein
| Category: | Active Substances |
| Source Origin: | Biotechnology (Bacterial Fermentation) |
| Comedogenic Rating: | 0 |
| Primary Industries: | Cosmetics, Dermatology |
| Solubility: | Water-soluble |
At a Glance: Properties & Effects
| Hydration/Moisture: | |
| Anti-Aging/Renewal: | |
| Barrier Repair: | |
| Sebum Control: | |
| Irritation Risk: |
- Primary Benefits: Significant reduction in wrinkle depth, enhanced skin hydration in extreme conditions, accelerated wound healing, and decreased sebum production in oily skin types.
- Potential Risks: Extremely low risk of irritation; generally considered safe for all skin types, including sensitive and acne-prone skin.
Biological Action & Cosmetic Profile
Fermentation of the Gram-negative bacterium Pseudoalteromonas antarctica yields a high-molecular-weight glycoprotein that functions as a natural cryoprotectant. In its native Antarctic environment, this substance prevents the bacterium from freezing by disrupting ice crystal formation. When applied to human skin, this same mechanism helps the stratum corneum retain Aqua even in severely dehydrating, low-temperature climates. The extract acts as a film-forming humectant, similar in physical behavior to Sodium Hyaluronate, though its biological pathways are distinct.
Structural rejuvenation occurs through the stimulation of fibroblast proliferation and keratinocyte growth. Clinical studies have demonstrated that this extract upregulates the synthesis of Collagen types I and IV, as well as elastin fibers. By improving the dermal-epidermal junction integrity, the skin gains better tensile strength and elasticity. Furthermore, specific strains of this ferment have been shown to inhibit the melanocortin-5 receptor (MC5-R) in sebocytes, effectively reducing the accumulation of sebum and minimizing the appearance of enlarged pores.
The amino acid composition of the extract—predominantly Proline, Alanine, and Serine—mirrors several components of the Natural Moisturizing Factor (NMF). These amino acids provide the building blocks for skin repair. Because it is a product of controlled laboratory fermentation, the resulting ingredient is highly purified and free from the environmental contaminants often found in botanical extracts harvested from the wild.
Broader Applications & Origins
Discovery of this ingredient dates back to 1988, when researchers collected sediment samples from the Inlet Dalane on King George Island, Antarctica. The extreme survival tactics of the Pseudoalteromonas bacteria provided a blueprint for modern “extremophile” technology in skincare. Beyond its use in anti-aging serums and barrier creams, it is frequently utilized in post-procedure formulations (such as after chemical peels or laser treatments) to expedite re-epithelialization and reduce redness.
Routine Integration
- Synergies: Pairs exceptionally well with Glycerin for enhanced hydration, Niacinamide for pore refinement, and various Amino Acids to bolster the skin’s moisture barrier.
- Conflicts: No known significant biochemical conflicts; it remains stable alongside most active substances, including retinoids and alpha hydroxy acids.
Clinical Consensus & Safety
The Cosmetic Ingredient Review (CIR) Expert Panel and various dermatological assessments classify Pseudoalteromonas Ferment Extract as non-sensitizing and non-irritating. Research published in the International Journal of Cosmetic Science confirms its efficacy in reducing skin roughness and wrinkle volume by approximately 40-60% over a 30-day period when used at a concentration of 3-5%. It is considered a safe, sustainable, and vegan-friendly alternative to animal-derived proteins due to its microbial fermentation origin.
Is Pseudoalteromonas Ferment Extract suitable for oily skin?
Yes. While it is highly hydrating, specific clinical evaluations show it can decrease sebum production and reduce skin shine, making it an excellent choice for dehydrated but oily skin types.
Can this ingredient help with winter skin issues?
Absolutely. Its natural cryoprotective properties were evolved specifically to prevent moisture loss and cellular damage in freezing temperatures, making it a premier ingredient for protecting the skin barrier during winter months.
Is it considered a “clean” or “natural” ingredient?
It is generally classified as a biotechnological ingredient. While it is derived from a natural bacterium, the fermentation and extraction occur in a lab setting, ensuring high purity and sustainability without depleting natural Antarctic resources.