Phyllanthus Urinaria 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: July 1, 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 Phyllanthus Urinaria Extract?

Phyllanthus Urinaria Extract is a plant-derived ingredient made from the whole Phyllanthus urinaria herb, a small annual plant in the spurge family that grows in tropical and subtropical regions. Chemically it is rich in polyphenols such as ellagic acid and lignans along with flavonoids and tannins, all of which give the extract its notable antioxidant and astringent properties. Traditionally the plant was steeped in teas and topical pastes in Southeast Asia for skin soothing rituals, and formulators eventually recognized that its protective compounds could add value to modern skincare. To create the cosmetic grade extract, harvested plants are cleaned, dried and ground, then macerated in a water-glycol or alcohol solution. The mixture is filtered and concentrated to yield a stable liquid or powdered form that blends easily into cosmetic bases. You will most often see Phyllanthus Urinaria Extract in masks, brightening serums, anti-aging creams, lightweight moisturizers and post-sun treatment lotions.

Phyllanthus Urinaria Extract’s Cosmetic Benefits/Uses

When added to a formulation Phyllanthus Urinaria Extract delivers several complementary skin benefits:

  • Antioxidant: Neutralizes free radicals generated by UV exposure or pollution which helps slow the look of premature aging
  • Astringent: Temporarily tightens skin and minimizes the appearance of enlarged pores giving a smoother surface feel
  • Bleaching: Assists in reducing the visibility of dark spots and uneven tone leading to a brighter complexion over time
  • Skin Protecting: Forms a light defensive shield that supports the skin barrier and reduces irritation from external stressors

Who Can Use Phyllanthus Urinaria Extract

Phyllanthus Urinaria Extract is generally suitable for all major skin types including oily, combination, dry and normal because its lightweight antioxidant profile offers protection without clogging pores or leaving a heavy residue. Sensitive skin usually tolerates it well thanks to its soothing polyphenols, though the natural tannins can feel slightly tightening on very dry or compromised skin so those users may prefer lower concentrations or richer accompanying emollients.

The extract is plant derived with no animal by-products or animal testing typically involved in its sourcing, making it appropriate for both vegans and vegetarians.

No specific data indicate harm for pregnant or breastfeeding women when the ingredient is applied topically at cosmetic levels. That said this is not medical advice; expectant or nursing individuals should always review any skincare product with their healthcare provider before use.

Phyllanthus Urinaria Extract does not increase photosensitivity, meaning it will not make skin more prone to sunburn. Normal daily sun protection is still recommended to guard against UV damage.

Potential Side Effects/Adverse Reactions

Responses to topical Phyllanthus Urinaria Extract can vary from person to person. The effects listed below are potential outcomes and are unlikely for the typical user when the ingredient is properly formulated and used as directed.

  • Mild irritation slight stinging or burning sensation on application, usually short lived
  • Redness temporary flushing or blotchiness, particularly on very sensitive skin
  • Dryness or tightness due to the astringent tannins drawing excess oil and water from the surface
  • Allergic contact dermatitis rare reaction presenting as persistent itch, swelling or rash in people hypersensitive to plant polyphenols
  • Interaction with potent actives layering with high levels of retinoids or strong exfoliating acids may amplify dryness or irritation

If any adverse reaction occurs discontinue use immediately and consult a qualified healthcare professional.

Comedogenic Rating

Rating: 0/5. Phyllanthus Urinaria Extract is almost entirely made up of water soluble polyphenols, flavonoids and tannins, none of which are known to block pores. It leaves no greasy residue and does not form an occlusive layer that could trap sebum or dead cells.

Because of this it is generally suitable for people who struggle with acne or frequent breakouts.

The overall likelihood of clogged pores will still depend on the other ingredients in the product, especially heavy oils or waxes that may be present alongside the extract.

Summary

Phyllanthus Urinaria Extract works as an antioxidant, astringent, mild bleaching agent and skin protectant. Its polyphenols mop up free radicals, tannins tighten the look of pores, ellagic acid and certain flavonoids help fade dark spots over time and the combined plant compounds create a light defensive shield that reinforces the skin barrier.

Although not yet a mainstream staple like green tea or vitamin C the extract is gaining quiet popularity among formulators who want a gentle multitasking botanical that sidesteps pore clogging concerns.

Used at common cosmetic levels it is considered low risk with only rare reports of irritation. Still, everyone’s skin is different so it is wise to patch test any new product that contains this ingredient to ensure personal compatibility.

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