Fragrance

Linum Usitatissimum Seed Extract

INCI: LINUM USITATISSIMUM SEED EXTRACT

Reviewed by Emma · Last updated 14 Aug 2026

Also known as: Linum Usitatissimum Seed Extract

Plant extract with traditional soothing uses, now studied for topical skincare

Best For Skin Types

All, Sensitive

Addresses

Redness, Sensitivity, Inflammation

Usage Frequency

Daily

What Is Linum Usitatissimum Seed Extract?

Linum usitatissimum seed extract is derived from flaxseeds, a plant with a long history in traditional medicine across multiple cultures. The extract contains alkaloids and other phytochemicals that are being investigated for their potential effects on skin health and resilience.

In skincare formulations, this ingredient functions primarily as a skin conditioner and fragrance component. It is found in a relatively small proportion of products, suggesting it remains a niche ingredient in contemporary skincare.

How It Works

The alkaloids and phytochemicals in flaxseed extract appear to work through multiple pathways. Laboratory and animal studies indicate these compounds may reduce the production of inflammatory markers and reactive oxygen species—unstable molecules that contribute to skin damage and irritation.

The mechanism likely involves supporting the skin's own antioxidant defences, such as glutathione and catalase activity, though the evidence for these specific effects in human skin remains preliminary.

Clinical Evidence & References

Animal studies have shown promise for anti-inflammatory and antioxidant effects when alkaloid extracts from flaxseeds are applied topically or administered orally. These studies measured reduced inflammatory markers and improved antioxidant enzyme activity in skin tissue exposed to chemical irritants.

However, clinical evidence in humans is limited. The ingredient has not been extensively studied in controlled human trials for specific skincare concerns. Traditional use supports its safety profile, though more rigorous human studies would strengthen claims about its efficacy for particular skin conditions.

How to Use

This ingredient is typically incorporated into formulations at low concentrations. Use products containing flaxseed extract as part of a consistent routine, allowing several weeks to observe any potential benefits. If using multiple actives, apply layered products from lightest to heaviest texture.

Safety & Precautions

Generally well-tolerated in topical applications. Rare cases of allergic sensitivity to flaxseed have been documented; those with known flaxseed allergies should avoid products containing this extract.

Frequently Asked Questions

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Part of a family

Linum Usitatissimum Seed Extract is a variant of Linum Usitatissimum (Linseed) Seed Oil, the form you will most often see on an ingredients list.

Plant-derived oil more commonly known as flaxseed oil Significant source of omega fatty acids

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