Antioxidant

Nannochloropsis Oceanica Powder

INCI: NANNOCHLOROPSIS OCEANICA POWDER

Reviewed by Rosie · Last updated 2 Jun 2026

Also known as: Nannochloropsis Oceanica Powder

A microalgae extract that delivers antioxidant and hydrating support to the skin

Best For Skin Types

All, Dry, Mature, Sensitive

Addresses

Dryness, Hydration, Fine lines

Usage Frequency

Daily

What Is Nannochloropsis Oceanica Powder?

Nannochloropsis oceanica powder is derived from a marine microalgae species rich in polysaccharides, proteins, and natural bioactive compounds. This ingredient is harvested and processed into a powder form for use in skincare formulations.

In skincare products, it functions as an antioxidant, humectant, and skin conditioning agent. The polysaccharides help the skin retain moisture, whilst the bioactive compounds may help protect against environmental stressors.

Benefits for Your Skin

How It Works

Nannochloropsis oceanica contains natural polysaccharides that function as humectants, pulling water from the environment into the outer layers of the skin. This hydrating action helps plump the skin and improve its moisture content.

The ingredient also contains compounds with antioxidant properties that may help counteract oxidative stress caused by UV exposure, pollution, and other environmental factors. These protective mechanisms work at the cellular level to support overall skin health.

Clinical Evidence & References

Research on Nannochloropsis oceanica in skincare is limited, and most evidence comes from industry testing rather than peer-reviewed clinical studies. Available data suggests the ingredient is well-tolerated and capable of delivering hydration and antioxidant benefits consistent with its known chemical composition.

More robust clinical evidence would help clarify the magnitude and duration of these effects compared to established ingredients. The ingredient shows promise based on its chemical profile, but further independent research would strengthen confidence in its specific efficacy claims.

How to Use

Nannochloropsis oceanica powder is typically incorporated into serums, moisturisers, and masks. Use as directed on the product label. As with any new ingredient, introduce it gradually and monitor your skin's response, particularly if you have sensitive skin. It works well in layered routines and can be combined with other active ingredients, though patch testing is advisable before full application.

Safety & Precautions

Generally well-tolerated by most skin types. Those with sensitivity to algae or marine-derived ingredients should perform a patch test beforehand. No major safety concerns are documented at typical cosmetic use concentrations.

Frequently Asked Questions

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