Best For Skin Types
All, Dry, Combination
Addresses
Usage Frequency
Daily
What Is Aphanizomenon Flos-Aquae Extract?
Aphanizomenon Flos-Aquae Extract is derived from a freshwater cyanobacterium (blue-green algae) found in nutrient-rich waters. It is used in skincare primarily for its humectant and skin-conditioning properties, meaning it can help draw moisture into the skin and support overall skin hydration.
The extract contains polysaccharides and other water-binding compounds that allow it to function as a moisture-binding agent. It is relatively uncommon in skincare formulations, appearing in fewer than 0.2% of products on the market.
How It Works
As a humectant, Aphanizomenon Flos-Aquae Extract works by drawing water from the dermis and environment into the outer layers of the skin, helping to plump and hydrate the epidermis. Its polysaccharide content acts as a moisture-binding agent, encouraging water retention at the skin's surface.
The conditioning properties help smooth the skin's texture and can improve the feel and appearance of the skin barrier when used as part of a balanced skincare routine.
Clinical Evidence & References
Evidence specifically examining Aphanizomenon Flos-Aquae Extract in skincare is limited. Most available research focuses on the cyanobacterium's potential allergenic properties rather than its cosmetic benefits, particularly in the context of direct water exposure during harmful algal blooms.
The ingredient's humectant function is based on its polysaccharide composition, which is consistent with how similar water-binding compounds behave in formulations. However, dedicated clinical studies demonstrating efficacy in cosmetic products would strengthen confidence in its performance claims.
How to Use
This ingredient works well as part of a hydrating routine, particularly when layered with other humectants or emollients to lock in moisture. It is most effective when applied to damp skin, allowing it to bind water already present. Suitable for use once or twice daily depending on your skin's hydration needs and the formulation's concentration.
Safety & Precautions
How widely it's used
Regulatory information
Standardised cosmetic-ingredient identifiers used by regulators.
Show identifiers
- INCI Name
- APHANIZOMENON FLOS-AQUAE EXTRACT
- Function
- Humectant, Skin Conditioning
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