Antioxidant

Galeopsis Segetum Flower … Stem Extract

INCI: GALEOPSIS SEGETUM FLOWER/LEAF/STEM EXTRACT

Reviewed by Kate · Last updated 2 Jun 2026

Also known as: Galeopsis Segetum Flower/leaf/stem Extract

A plant extract valued for its antioxidant properties in skincare formulations

Best For Skin Types

All

Addresses

Fine lines, Sensitivity

Usage Frequency

Daily

What Is Galeopsis Segetum Flower … Stem Extract?

Galeopsis segetum flower/leaf/stem extract is derived from the hemp nettle plant, a flowering herb native to Europe. The extract is obtained from the aerial parts of the plant—flowers, leaves, and stems—and is incorporated into skincare products primarily for its antioxidant capacity.

In formulation, this ingredient functions as an antioxidant, meaning it helps neutralise free radicals that can damage skin cells and contribute to visible signs of ageing and irritation. It is used in relatively small quantities within skincare products.

Benefits for Your Skin

How It Works

Antioxidants work by donating electrons to free radicals—unstable molecules generated by sun exposure, pollution, and normal cellular metabolism. This neutralises free radicals before they can damage skin proteins, lipids, and DNA. By reducing oxidative stress, antioxidants may help preserve skin's structural integrity and appearance over time.

Galeopsis segetum extract likely exerts this effect through naturally occurring plant compounds with antioxidant activity, though the specific active constituents and their potency relative to other botanical extracts are not extensively documented in published skincare research.

Clinical Evidence & References

Published clinical evidence specifically evaluating Galeopsis segetum extract in skincare is limited. The ingredient is recognised in cosmetic formulation for its antioxidant classification, but robust human studies examining its efficacy in reducing visible signs of ageing or skin damage are not widely available in dermatological literature.

As with many botanical extracts, its benefit is most likely realised as part of a broader antioxidant system within a product rather than as a standalone active. Consumers should view this ingredient as a complementary antioxidant contributor within a complete skincare regimen rather than a primary treatment for specific concerns.

How to Use

This ingredient is typically used as part of a complete skincare routine and does not require special application instructions. It is incorporated into products such as serums, moisturisers, and essences at concentrations determined by the formulator. Use products containing this extract as directed on the product label, usually once or twice daily as part of your standard routine.

Safety & Precautions

Galeopsis segetum extract is generally well-tolerated in skincare products. As with any plant-derived ingredient, individuals with known sensitivities to plants in the Lamiaceae family should patch test before broader use.

Frequently Asked Questions

From the Clinic

Not sure what your skin actually needs?

Two minutes, a few questions, and we’ll point you at what matters — no guesswork.

Take the skin quiz

Learn More About Skincare Ingredients

Explore our comprehensive ingredient glossary to understand what's in your products.

Browse All Ingredients

Authorised Stockist

Official UK retailer

Tracked Delivery

Free UK shipping over £50

5 Star Rating

Trusted by thousands

Expert Advice

Free consultations