Epilobium Parviflorum 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 Epilobium Parviflorum Leaf/Stem Extract?

Epilobium Parviflorum Leaf/Stem Extract is a plant-derived ingredient obtained from the leaves and stems of Epilobium parviflorum, a small willowherb native to Europe and parts of Asia. The aerial parts are rich in polyphenols, flavonoids, tannins and naturally occurring sugars that help the plant retain moisture. Traditionally the herb was steeped in water for soothing skin washes, a practice that caught the attention of modern formulators looking for gentle, plant-based hydrators.

To create the cosmetic-grade extract the fresh or dried leaves and stems are cleaned, milled and soaked in a skin-friendly solvent such as water, glycerin or a mix of water and alcohol. The liquid is then filtered and concentrated, leaving behind a clear to pale brown solution that carries the plant’s water-binding molecules. This extract is commonly added to lightweight toners, hydrating serums, refreshing face mists, aftershave lotions, calming masks and daily moisturizers aimed at boosting skin comfort without heaviness.

Epilobium Parviflorum Leaf/Stem Extract’s Cosmetic Benefits/Uses

In skincare formulas Epilobium Parviflorum Leaf/Stem Extract serves one main purpose that delivers several visible perks.

Humectant: As a humectant the extract attracts water from the atmosphere and from deeper skin layers then holds it at the surface. This extra moisture helps soften rough patches, plump fine lines and give skin a dewy finish. By keeping formulas hydrated it can also improve product texture and spreadability while reducing the need for heavier occlusive ingredients.

Who Can Use Epilobium Parviflorum Leaf/Stem Extract

This gentle humectant is generally suitable for all skin types including dry, normal, combination and oily because it delivers lightweight hydration without a greasy film. Sensitive skin usually tolerates it well thanks to its soothing plant polyphenols, though anyone with a known allergy to willowherb or related species should be cautious. Because the extract is completely plant derived and typically processed with vegetable based solvents it is compatible with vegan and vegetarian lifestyles.

Current data does not flag Epilobium Parviflorum Leaf/Stem Extract as an ingredient of concern for expecting or nursing mothers when used topically in cosmetic amounts. That said this information is not medical advice and pregnant or breastfeeding individuals should review any new skincare product with a qualified health professional before use to be safe.

The extract is not known to increase photosensitivity, so daytime wear does not require extra sun precautions beyond the usual daily sunscreen. It can be paired with most common skincare actives without issue and fits well into both minimalist and multi step routines.

Potential Side Effects/Adverse Reactions

Responses to topical Epilobium Parviflorum Leaf/Stem Extract vary from person to person. The following is a list of potential side effects that could occur, although they are uncommon when the ingredient is formulated and used correctly.

  • Transient stinging or tingling on application
  • Mild redness or warmth
  • Localized itching
  • Contact dermatitis in individuals allergic to willowherb and related plants
  • Dryness if used in very high concentrations without complementary emollients

If you experience any of the above reactions discontinue use and seek guidance from a healthcare professional.

Comedogenic Rating

Rating: 0

Epilobium Parviflorum Leaf/Stem Extract is a water-based plant extract that contains virtually no pore-clogging lipids or heavy waxes, so it sits on skin without forming an occlusive film. Because it works mainly by drawing water rather than trapping oil, it has no known tendency to block follicles.

Suitable for acne-prone or breakout-prone skin.

Since the extract is usually added at low concentrations and is often paired with lightweight carriers like water or glycerin, the finished product is unlikely to alter the skin’s sebum flow in a way that could trigger congestion.

Summary

Epilobium Parviflorum Leaf/Stem Extract is chiefly a humectant that pulls moisture toward the skin surface, smoothing rough areas and giving a plumper appearance. It also brings mild soothing benefits thanks to its natural polyphenols and tannins.

The ingredient is still a bit of an under-the-radar choice compared with mainstream hydrators like glycerin or hyaluronic acid, but formulators looking for botanical variety are starting to include it in toners, mists and light lotions.

Overall it is considered very safe for cosmetic use with few reported side effects. As with any new skincare product a quick patch test is wise to rule out individual sensitivities before regular use.

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