Epilobium Angustifolium 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
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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 Epilobium Angustifolium Extract?

Epilobium Angustifolium Extract comes from the aerial parts of the rose bay willowherb plant, known botanically as Epilobium angustifolium. The plant grows in cool temperate regions and has long been used in folk rituals for soothing the skin after minor burns or irritation. Scientists later isolated key compounds in the plant such as flavonoids, tannins, and gallic acid derivatives that show calming and antioxidant activity, inspiring its move into modern skincare.

To create the extract, harvested stems and leaves are dried, finely milled, then steeped in a skin safe solvent like glycerin or a mix of water and alcohol. The liquid pulls the beneficial molecules from the plant matter, after which the solution is filtered, concentrated, and standardized for use in cosmetics.

Because it helps reduce the look of redness while supporting the skin’s natural barrier, Epilobium Angustifolium Extract appears in a range of leave-on and rinse-off products. You might spot it in soothing masks, lightweight moisturizers, calming toners, after-sun gels, men’s post-shave lotions, blemish care serums and anti aging emulsions that aim to balance oil and comfort sensitive skin.

Epilobium Angustifolium Extract’s Cosmetic Benefits/Uses

The main reason formulators reach for this botanical is its skin-conditioning ability, meaning it helps keep skin feeling soft, supple and balanced while supporting a healthy appearance.

Who Can Use Epilobium Angustifolium Extract

This plant extract is generally well tolerated by all skin types. Its lightweight watery profile makes it a good match for oily and combination skin while the soothing antioxidants are welcomed by sensitive or redness-prone complexions. Dry skin can use it too since it does not strip moisture, though extra emollients may still be needed for lasting comfort.

Because the ingredient comes entirely from a plant and is usually processed with vegan-friendly solvents such as water or glycerin, it fits easily into vegetarian and vegan routines.

No data suggests Epilobium Angustifolium Extract poses a special risk during pregnancy or breastfeeding when used topically in standard cosmetic amounts. Absorption through intact skin is minimal, but this is not medical advice. Anyone who is pregnant or nursing should clear new skincare products with a qualified health professional.

The extract is not known to cause photosensitivity, so it will not make skin more prone to sunburn. As always daily sunscreen is still recommended for overall skin health.

Potential Side Effects/Adverse Reactions

Responses to Epilobium Angustifolium Extract vary from person to person. The effects listed below are possible yet unlikely for the average user when the ingredient is included at customary cosmetic levels.

• Mild stinging or tingling on very reactive skin

• Localized redness or warmth related to a temporary flush

• Itchy spots or small hives indicating an allergic contact reaction

• Dry patches if the formula also contains high alcohol or other astringents

If any of these reactions occur stop using the product and consult a healthcare professional for guidance.

Comedogenic Rating

Rating: 0 – 1

Epilobium Angustifolium Extract is almost entirely water soluble and contains negligible amounts of heavy oils or waxes that could block pores. Its key constituents are lightweight polyphenols and tannins that absorb quickly and leave no greasy residue, so the risk of clogging is extremely low. For that reason it suits acne-prone or breakout-prone skin and can even help calm angry blemishes when paired with complementary actives.

Because the extract is often delivered in gentle carriers like glycerin or water, formulation style rarely changes its pore-friendly profile, though users should still check the full ingredient list since richer creams containing the extract could include other comedogenic ingredients.

Summary

Epilobium Angustifolium Extract is chiefly a skin-conditioning agent that soothes visible redness, supplies antioxidant protection and helps the skin feel balanced and comfortable. Its flavonoids and tannins work together to calm irritation, neutralize damaging free radicals and lightly refine excess surface oil, giving the complexion a smoother more even look.

While not as famous as aloe or green tea the extract is gaining quiet popularity in calming toners, after-sun gels and lightweight serums aimed at sensitive or combination skin. Formulators appreciate its versatility and plant-based origin, and consumers enjoy its gentle touch.

Topical safety data are reassuring with low reports of adverse reactions. Still everyone’s skin is unique so it is wise to patch test a new product containing Epilobium Angustifolium Extract before applying it more broadly.

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