Synurus Palmatopinnatifidus 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 30, 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 Synurus Palmatopinnatifidus Leaf/Stem Extract?

Synurus Palmatopinnatifidus Leaf/Stem Extract comes from the leaves and stems of Synurus palmatopinnatifidus, a flowering plant in the Asteraceae family that grows in parts of East Asia. The plant has long been used in regional cooking and folk skin care for its soothing properties, and modern cosmetic labs have picked up on its moisture-binding abilities. To make the extract, harvested leaves and stems are cleaned, dried and soaked in a safe solvent such as water or a mix of water and glycerin. The liquid is then filtered and concentrated to keep the active plant sugars, amino acids and polyphenols that help hold water. You will most often spot this extract in moisturizers, hydrating serums, sheet masks, after-sun gels and soothing creams aimed at rough or tight skin.

Synurus Palmatopinnatifidus Leaf/Stem Extract’s Cosmetic Benefits/Uses

This extract mainly serves as a humectant, meaning it pulls water into the upper layers of the skin. By attracting and holding moisture, it helps formulas keep skin feeling soft and plump, reduces the look of fine lines caused by dehydration and supports a smooth finish.

Who Can Use Synurus Palmatopinnatifidus Leaf/Stem Extract

This plant derived humectant is gentle enough for most skin types. Dry, normal and combination skins tend to benefit the most thanks to its water binding ability, while oily or acne prone users usually tolerate it well because it is lightweight and non greasy.

Because the extract is sourced solely from the leaves and stems of a plant and no animal derivatives are involved in its processing, it is considered suitable for vegans and vegetarians.

No research suggests that topical use poses a specific risk to pregnant or breastfeeding women, but this is not medical advice and anyone who is expecting or nursing should check with a health professional before adding new products to a routine.

The ingredient does not increase photosensitivity, so there is no extra need for sun avoidance beyond normal daily sunscreen habits.

Potential Side Effects/Adverse Reactions

Side effects from Synurus Palmatopinnatifidus Leaf/Stem Extract vary from person to person. The issues listed below are possible yet unlikely for the average user when the ingredient is properly formulated and preserved.

  • Mild redness or stinging
  • Temporary itching
  • Contact dermatitis in individuals allergic to plants in the Asteraceae family
  • Rare swelling or hives indicating a true allergic reaction

If any of these reactions occur, stop using the product and seek medical advice if symptoms persist or worsen.

Comedogenic Rating

Rating: 0 / 5 — Synurus Palmatopinnatifidus Leaf/Stem Extract is a water-soluble humectant that does not leave an oily film or clog pores. It contains mainly lightweight sugars and amino acids rather than fatty oils or waxes, so it poses virtually no risk of blocking follicles. This makes it suitable for people who are prone to acne or breakouts. Because it must be used in a well-preserved formula, any issues that arise are more likely tied to the overall product than to the extract itself.

Summary

Synurus Palmatopinnatifidus Leaf/Stem Extract acts primarily as a humectant, pulling water into the upper skin layers to boost softness and smooth out dehydration lines. Its mix of plant sugars, amino acids and polyphenols binds moisture while offering a mild soothing feel, helping leave skin plump and comfortable.

The extract is still a niche player outside East Asian skin care yet it is gaining traction in hydrating serums, gels and sheet masks thanks to its feather-light texture and clean plant origin.

Safety data and real-world use show a low risk of irritation or pore clogging, making it a friendly option for most skin types including sensitive and acne prone. As with any new cosmetic ingredient it is wise to do a quick patch test when you try a product that contains this extract, just to stay on the safe side.

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