Skin Conditioning

Nannochloropsis Oceanica Extract

INCI: NANNOCHLOROPSIS OCEANICA EXTRACT

Reviewed by Daisy · Last updated 2 Jun 2026

A microalgae-derived lipid extract that supports skin barrier and phospholipid metabolism

Best For Skin Types

All, Sensitive, Dry

Addresses

Barrier repair, Dryness, Sensitivity

Usage Frequency

Daily

What Is Nannochloropsis Oceanica Extract?

Nannochloropsis oceanica extract is derived from a marine microalga and contains a complex profile of lipids and fatty acids. In skincare formulations, it functions as a skin conditioning agent, working to support the skin's natural lipid composition and barrier function.

The extract is valued in formulation for its potential to influence how skin cells manage their lipid metabolism, particularly under conditions of stress such as UV exposure. Its mechanism centres on modulating the phospholipid layers that form the structural foundation of healthy skin cells.

How It Works

The extract contains lipid compounds that interact with keratinocyte (skin cell) membranes. When skin is exposed to UV radiation, cell membranes can become destabilised and lipid metabolism becomes disrupted, leading to oxidative stress and inflammatory markers. Nannochloropsis oceanica extract appears to influence this process by modulating phospholipid and ceramide metabolism within cells.

This modulation may help restore balance to the lipid profiles that have been perturbed by UV exposure, potentially supporting the skin's natural repair mechanisms and redox balance.

Clinical Evidence & References

In vitro studies on human keratinocytes suggest the extract can influence phospholipid metabolism in response to UVB exposure. Research has shown alterations in sphingomyelin and ceramide levels when cells are treated with the extract, alongside changes in lipid peroxidation markers and antioxidant-related metabolites. These findings indicate a genuine interaction with cellular lipid metabolism.

However, evidence remains laboratory-based; human clinical studies on skin outcomes are limited. The research is promising for understanding the ingredient's mechanism, but claims about visible skin improvement would require confirmation in human studies. It may be most relevant for formulations targeting UV-stressed or barrier-compromised skin.

How to Use

This ingredient is typically used in serums, moisturisers, and barrier repair products. As a conditioning agent, it works best when applied to clean skin and is compatible with most other skincare actives. No specific usage restrictions apply, though it is often found in leave-on formulations rather than rinse-offs.

Safety & Precautions

Nannochloropsis oceanica extract is generally well-tolerated with no widely documented safety concerns. As with any ingredient, individuals with known sensitivities to microalgal or marine-derived ingredients should patch test first.

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