Euphorbia Supina 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
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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 Euphorbia Supina Leaf/Stem Extract?

Euphorbia Supina Leaf/Stem Extract comes from the leaves and stems of Euphorbia supina, a small ground-hugging plant in the spurge family often called spotted spurge. The green parts of the plant contain a mix of moisture-loving sugars, soothing flavonoids, protective tannins and skin-softening triterpenoids. Folk remedy books mention the plant for calming irritated skin, which helped spark modern interest. Today manufacturers harvest the aerial parts, dry and grind them then soak the powder in a safe solvent such as water, glycerin or propylene glycol. The liquid pulls out the helpful compounds, after which it is filtered, concentrated and preserved to make a clear to pale-brown fluid that slips easily into cosmetic formulas. You will spot this extract in moisturizers, hydrating toners, soothing sheet masks, after sun gels, anti aging serums and lightweight lotions aimed at blemish-prone skin.

Euphorbia Supina Leaf/Stem Extract’s Cosmetic Benefits/Uses

This plant extract offers several roles that boost the feel and performance of everyday skin care products

  • Humectant: draws water from the air and from deeper skin layers to the surface so leave-on products deliver a quick surge of hydration that makes skin look plumper and feel more comfortable
  • Skin Conditioning: supplies flavonoids and sugars that help smooth rough patches and support a healthy skin barrier giving formulas a soothing touch suitable for sensitive or easily flushed complexions
  • Emollient: deposits light lipids that fill in tiny surface gaps which softens skin and adds a silky slip to creams lotions and gels without a greasy afterfeel

Who Can Use Euphorbia Supina Leaf/Stem Extract

This botanical suits most skin types including oily, combination, normal and dry because it hydrates without heaviness and leaves a light emollient finish. Sensitive or redness-prone complexions usually tolerate it well thanks to its calming flavonoids, though anyone with a known allergy to plants in the spurge family should avoid it.

The extract is entirely plant derived so it is considered appropriate for vegans and vegetarians as long as the finished product does not include animal-based additives elsewhere in the formula.

No specific warnings exist for use during pregnancy or while breastfeeding. The amounts used in cosmetics are low, absorption is minimal and there is no reported hormonal activity. Still, this is not medical advice and anyone who is pregnant or nursing should have a doctor review all skincare products just to be safe.

Euphorbia Supina Leaf/Stem Extract does not increase photosensitivity, so it can be used both day and night without boosting the risk of sunburn. It also layers well with common actives like niacinamide, vitamin C and gentle exfoliating acids.

Potential Side Effects/Adverse Reactions

Responses to topical Euphorbia Supina Leaf/Stem Extract vary from person to person. The effects below are only potential outcomes and most users will not experience them when the ingredient is correctly formulated and used as directed.

  • Mild redness or warmth immediately after application in very reactive skin
  • Temporary stinging on compromised or freshly exfoliated skin
  • Allergic contact dermatitis in individuals sensitive to Euphorbiaceae plants or natural latex-like sap
  • Eye irritation if the product accidentally migrates into the eyes

If any uncomfortable reaction occurs stop using the product and seek advice from a healthcare professional or dermatologist.

Comedogenic Rating

Rating: 1/5. Euphorbia Supina Leaf/Stem Extract is mostly composed of water-binding sugars, lightweight flavonoids and small amounts of non-occlusive lipids so it rarely blocks pores. The scant oily fractions are quickly absorbed and do not form a heavy film on the skin which keeps the overall clogging potential very low.

Suitable for acne-prone and breakout-prone skin.

The rating can shift if the extract is carried in a fatty solvent or blended with rich butters, so always look at the full ingredient list of the finished product.

Summary

Euphorbia Supina Leaf/Stem Extract acts as a humectant that pulls water into the skin, a skin-conditioning agent that calms and smooths thanks to flavonoids and tannins, and a light emollient that softens rough patches without heaviness. By combining water-loving sugars with mild plant lipids it helps formulas hydrate, soothe and improve skin feel all at once.

The extract is still a niche addition rather than a superstar headline ingredient, yet formulators appreciate its gentle multitasking nature so you will spot it in an increasing number of K-beauty toners, calming serums and gel creams.

Overall safety is high with low irritation and minimal allergen reports but every skin is unique so it is smart to do a quick patch test when trying any new product that lists Euphorbia Supina Leaf/Stem Extract.

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