Cymbopogon Schoenanthus 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 24, 2025
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All information on this page is verified using The Personal Care Products Council's (PCPC) INCI database. Our ingredient analyses are based exclusively on PCPC's technical data to ensure accuracy and reliability.

What Is Cymbopogon Schoenanthus Leaf/Stem Extract?

Cymbopogon Schoenanthus Leaf/Stem Extract comes from the leaves and stems of lemon grass, a fragrant grass native to North and East Africa as well as parts of Asia. The plant is rich in volatile oils such as citral and limonene, plus naturally occurring antioxidants and flavonoids that give it a fresh lemon aroma and soothing properties. Traditionally the grass was steeped in hot water for calming teas and used in steam baths thanks to its refreshing scent. When the personal care industry began looking for botanical alternatives to synthetic skin conditioners in the late twentieth century, formulators turned to this extract for its pleasant fragrance and skin-softening profile.

To create the cosmetic-grade extract, freshly harvested leaves and stems are cleaned, chopped and subjected to a gentle solvent or water-based extraction process that pulls out the beneficial oils and phytonutrients. The liquid is then filtered and concentrated, resulting in a clear to pale yellow solution that blends easily into water or oil phases. You will typically find Cymbopogon Schoenanthus Leaf/Stem Extract in toners, light gel moisturizers, after-sun sprays, masks, anti-aging serums and hair-scalp mists where a lightweight, refreshing feel is desired.

Cymbopogon Schoenanthus Leaf/Stem Extract’s Cosmetic Benefits/Uses

This extract is prized in formulas that aim to leave skin feeling smooth, supple and refreshed.

As a skin conditioning agent it helps soften the surface of the skin, reduce the feeling of tightness after cleansing and boost overall hydration by supporting the skin’s ability to hold onto water. Its natural antioxidants also assist in shielding the skin from everyday environmental stress, giving the complexion a healthier looking glow.

Who Can Use Cymbopogon Schoenanthus Leaf/Stem Extract

This botanical suits most skin types, especially normal, combination and oily complexions that enjoy a weightless finish. It is generally well tolerated by dry skin too, although very dry or compromised skin may need a richer supporting moisturiser because the extract itself does not provide heavy occlusion. Sensitive skin can usually use it but may react if fragrance components such as citral are a personal trigger, so fragrance-sensitive individuals should scan ingredient lists carefully.

The extract is entirely plant derived which makes it appropriate for both vegetarians and vegans. That said, check the full formula of any product containing it since additional non-vegan additives like beeswax or animal-derived glycerin can sometimes be present.

No published data indicates that topical use causes issues for pregnant or breastfeeding women when the ingredient is used at cosmetic levels. Still this is not medical advice and anyone who is pregnant or nursing should run all skincare products by a qualified healthcare provider to be safe.

Cymbopogon Schoenanthus Leaf/Stem Extract is not known to cause photosensitivity so it will not boost your risk of sunburn. Normal daily sun protection habits are still recommended for overall skin health.

Potential Side Effects/Adverse Reactions

Responses to topical Cymbopogon Schoenanthus Leaf/Stem Extract differ from person to person. The points below list potential effects that could occur but most users will not experience them when the ingredient is formulated and used correctly.

  • Skin irritation such as mild redness or itching
  • Allergic contact dermatitis in individuals sensitive to citral limonene or other fragrance constituents naturally present in lemongrass
  • Stinging sensation on freshly exfoliated or broken skin
  • Rare cross-reactivity with other citrus or grass allergens

If any discomfort or negative reaction develops stop using the product immediately and consult a healthcare professional or dermatologist for guidance.

Comedogenic Rating

Rating: 1/5

Cymbopogon Schoenanthus Leaf/Stem Extract is largely composed of lightweight aromatic compounds and water-soluble antioxidants rather than heavy lipids that can clog pores. Its rapid evaporation and low oil content place it on the low end of the comedogenic scale.

Because of this low rating it is generally suitable for acne-prone or breakout-prone skin, provided the individual is not sensitive to its natural fragrance components.

Formulas that pair the extract with richer oils or waxes may raise the overall pore-clogging potential, so consider the full product profile when evaluating suitability for very congestion-prone skin.

Summary

Cymbopogon Schoenanthus Leaf/Stem Extract works mainly as a skin-conditioning agent that softens surface texture, supports lightweight hydration and offers a mild antioxidant boost thanks to its citral and limonene content. These properties leave skin feeling refreshed and comfortable after use.

While not as mainstream as aloe or chamomile the extract enjoys steady popularity in toners mists and after-sun products where a crisp lemon scent and non-greasy feel are valued.

Topical use is considered safe for the vast majority of people with only occasional reports of irritation tied to its natural fragrance molecules. As with any new skincare product it is wise to perform a patch test to confirm personal compatibility before full-face application.

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