Eichhornia Crassipes 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 Eichhornia Crassipes Extract?

Eichhornia Crassipes Extract comes from the whole water hyacinth plant, a floating aquatic species that belongs to the Pontederiaceae family. While water hyacinth is best known for its rapid growth in tropical waterways, researchers have also recognized that the plant is rich in polysaccharides, phenolic compounds and minerals that can be valuable for skin care. Interest in these natural constituents led formulators to explore the plant’s potential in cosmetic products starting in the early 2000s, part of a broader trend toward botanical ingredients.

To create the extract, harvested water hyacinth plants are cleaned, dried and milled into small pieces. The plant material is then soaked in a suitable solvent such as water or a mix of water and glycerin. After a period of gentle agitation, the liquid is filtered to remove solids and finally concentrated to yield a stable extract that keeps the bioactive molecules intact.

You will most often spot Eichhornia Crassipes Extract in hydrating masks, lightweight moisturizers, anti aging serums and soothing after sun gels where it is added to help keep the skin feeling soft and comfortable.

Eichhornia Crassipes Extract’s Cosmetic Benefits/Uses

Its primary cosmetic role is straightforward yet important.

As a skin conditioning agent, Eichhornia Crassipes Extract helps maintain the skin’s smooth supple feel. The natural sugars and phenolics in the plant draw and hold water at the surface, supporting hydration. Regular use can leave the complexion looking fresher and more rested which is why formulators often rely on this extract in products aimed at calming dryness or adding a dewy finish.

Who Can Use Eichhornia Crassipes Extract

Because it is primarily a mild hydrating agent, Eichhornia Crassipes Extract suits most skin types including dry, normal, combination and even sensitive complexions. Oily or acne-prone users can also benefit since the extract is lightweight and does not add extra oil, though they may prefer formulas that pair it with non-comedogenic bases.

The extract is entirely plant derived, making it acceptable for both vegans and vegetarians when sourced from suppliers that do not use animal by-products during processing.

No data point to any hormonal activity, so products containing the extract are generally viewed as safe for those who are pregnant or breastfeeding; however this is not medical advice and anyone who is expecting or nursing should run any skincare product by a healthcare professional just to be safe.

Eichhornia Crassipes Extract does not increase photosensitivity and can be used in both daytime and night-time routines. It also layers well with common actives like niacinamide, hyaluronic acid and mild exfoliating acids.

Potential Side Effects/Adverse Reactions

Reactions to topical Eichhornia Crassipes Extract vary from person to person. The following list covers potential side effects that could occur, though they are not expected for the average user when the ingredient is properly formulated.

  • Mild redness or irritation in very sensitive skin
  • Stinging on application to freshly exfoliated or broken skin
  • Allergic contact dermatitis triggered by individual plant sensitivities
  • Rare contamination-related reactions if the raw plant was harvested from polluted water and not adequately purified

If any discomfort, persistent redness or swelling develops discontinue use and consult a healthcare provider or dermatologist.

Comedogenic Rating

Rating: 1 / 5

Eichhornia Crassipes Extract is mostly made up of water-binding sugars and light phenolic compounds with very little oil, wax or fatty acids. Because it lacks pore-clogging lipids the chance of it plugging follicles is minimal, which is why it sits at a low 1 on the comedogenic scale.

That makes the extract generally suitable for people who are prone to acne or breakouts, provided it is part of an overall non-comedogenic formula.

One extra point: always look at the full ingredient list, not just the plant extract. Rich creams or balms that include this extract can still be comedogenic if they contain heavier oils or butters.

Summary

Eichhornia Crassipes Extract is used in cosmetics mainly as a skin-conditioning ingredient. Its natural sugars attract and hold water while its phenolic compounds provide a mild soothing effect, leaving skin feeling soft, hydrated and comfortable.

Although water hyacinth is not the trendiest botanical on the market it has carved out a niche in hydrating masks, after sun products and lightweight lotions thanks to its gentle nature and plant-based appeal.

Safety data show the extract is well tolerated by most skin types with only rare reports of irritation or allergy. As with any new skincare product it is wise to carry out a small patch test first to make sure your skin agrees with it.

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