Galeopsis Segetum Flower/Leaf/Stem Extract: What Is It, Cosmetic Uses, Benefits & Side Effects

Curious about this ingredient? In this article we're explaining exactly what it is and why it's used within cosmetic formulations.
Updated on: June 27, 2025
Share:
Inside this article:

We verify all information on this page using publicly available nomenclature standards from The Personal Care Products Council (PCPC), the European Commission's CosIng database and documentation provided directly by ingredient manufacturers. Our analysis is based on technical data from these sources to ensure accuracy and reliability.

What Is Galeopsis Segetum Flower/Leaf/Stem Extract?

Galeopsis segetum is a flowering plant in the mint family that grows across Europe and parts of Asia. When the flowers, leaves and stems are collected and soaked in a mix of water and gentle solvents, the result is Galeopsis Segetum Flower/Leaf/Stem Extract. The plant parts are usually air-dried first, then finely milled to let the beneficial molecules release more easily during extraction. After filtering out plant solids, the liquid is concentrated and preserved, leaving a clear to pale amber fluid packed with natural compounds such as flavonoids, phenolic acids and small amounts of tannins, all known for their antioxidant ability.

Folk tradition once used this herb in soothing teas and washes, which drew the attention of early formulators looking for botanical antioxidants that could help protect skin. As interest in plant-based skincare grew through the 1990s, labs began standardising the extract for use in cosmetics, focusing on its ability to fight free radicals that speed up visible ageing.

Today you will spot Galeopsis Segetum Flower/Leaf/Stem Extract in lightweight facial serums, day and night moisturisers, anti-ageing masks, after-sun gels and even some eye creams. Its neutral scent and water-soluble nature make it easy to slot into both gel and lotion formulas without altering texture or fragrance.

Galeopsis Segetum Flower/Leaf/Stem Extract’s Cosmetic Benefits/Uses

This botanical ingredient is valued mainly for one key action that supports overall skin health.

As an antioxidant Galeopsis Segetum Flower/Leaf/Stem Extract helps neutralise free radicals created by UV exposure, pollution and everyday stress. By lessening this oxidative stress, the extract can help keep skin looking brighter and more even while supporting other age-defence ingredients in a formula.

Who Can Use Galeopsis Segetum Flower/Leaf/Stem Extract

This extract is gentle and water based, so it suits dry, normal, combination and oily skin alike without leaving a greasy film. Its low-irritancy profile also makes it a friendly option for sensitive skin unless the user has a specific plant allergy.

Because the ingredient is 100 % plant derived and no animal by-products are needed to obtain it, products that use only Galeopsis Segetum Flower/Leaf/Stem Extract as the active should be acceptable to both vegans and vegetarians. Always check the full ingredient list to be sure other components meet personal ethical standards.

No data suggest that the extract poses a risk to women who are pregnant or breastfeeding when applied topically. It is not known to penetrate deeply or mimic hormones. Even so this is not medical advice and anyone expecting or nursing should clear all skincare products with a qualified health professional before use.

The extract is not known to make skin more sensitive to sunlight so it does not carry the usual photosensitivity warnings linked to acids or retinoids. Standard daily sunscreen use is still encouraged as part of a good routine.

Potential Side Effects/Adverse Reactions

Responses to any botanical ingredient can differ between individuals. The points below outline potential issues that could appear, but most people using a well-formulated product will not experience them.

  • Mild redness or warmth
  • Itching or tingling shortly after application
  • Localized rash or hives in those with plant sensitivities
  • Stinging if applied to broken or freshly exfoliated skin

If any of these reactions occur stop using the product and seek advice from a healthcare professional.

Comedogenic Rating

Rating: 0 (non-comedogenic)

Galeopsis Segetum Flower/Leaf/Stem Extract is water based and contains virtually no oils or waxes that could clog pores. Its main constituents are small antioxidant molecules that dissolve easily in water and rinse away without leaving a film. Because it does not contribute extra sebum or create an occlusive layer it earns the lowest possible score.

Suitable for acne-prone or breakout-prone skin.

No special storage or formulation concerns affect its pore-friendly nature although the finished product’s other ingredients can change the overall comedogenic profile.

Summary

Galeopsis Segetum Flower/Leaf/Stem Extract is a plant derived antioxidant that helps neutralise free radicals and supports brighter livelier looking skin. It performs this role thanks to naturally occurring flavonoids and phenolic acids that scavenge oxidative molecules on contact.

While not as mainstream as ingredients like vitamin C or green tea the extract appears in a growing number of serums and moisturisers aimed at consumers who enjoy gentler niche botanicals.

Topical use is considered very safe with low irritancy and no known hormonal effects. As with any new skincare ingredient patch test on a small area for a couple of days before full use to make sure your skin agrees with it.

Was this article helpful?
More from Glooshi:
ADVERTISEMENT
Get all our top headlines in beauty.
Delivered right to your inbox each week. Zero spam, all goodness, opt-out at anytime.
This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.
Get the latest beauty news, top product recommendations & brand-exclusive discount codes direct to your inbox.
Send good feedback:

All feedback is greatly appreciated, anonymous, and will be used to improve the quality of our articles.

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.
Send bad feedback:

All feedback is greatly appreciated, anonymous, and will be used to improve the quality of our articles.

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.
Search