Trichosanthes Kirilowii Root 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
Share:
Inside this article:

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 Trichosanthes Kirilowii Root Extract?

Trichosanthes Kirilowii Root Extract comes from the root of the Chinese gourd Trichosanthes kirilowii, a climbing plant in the cucumber family. The root naturally contains sugars, amino acids, minerals and small amounts of flavonoids that help it retain water and soothe skin. Centuries ago the root was steeped in water for use in traditional beauty rinses across parts of East Asia. Modern formulators picked up on these folk practices in the late twentieth century, studying the root’s humectant qualities and turning it into a standardized cosmetic ingredient.

Manufacturers harvest mature roots, clean and dry them then grind them into a powder. The powder is soaked in water or a gentle solvent blend to pull out the skin-friendly compounds. After filtering and concentrating the liquid, the extract is usually blended with glycerin or another carrier to make it easy to add to creams and serums.

You will most often spot Trichosanthes Kirilowii Root Extract in hydrating sheet masks, calming moisturizers, all-in-one anti-aging lotions, overnight treatments and after-sun gels where its main job is to keep skin comfortable and well conditioned.

Trichosanthes Kirilowii Root Extract’s Cosmetic Benefits/Uses

This plant extract serves one primary function in personal care formulas: skin conditioning. By drawing moisture to the surface layers of the skin and helping it hold on to that water, the ingredient supports a softer smoother feel. Its naturally calming composition can also help reduce the tightness or mild irritation that sometimes follows cleansing or exfoliation, making finished products feel more soothing overall.

Who Can Use Trichosanthes Kirilowii Root Extract

Trichosanthes Kirilowii Root Extract is generally friendly to all skin types. Its water-binding nature makes it a welcome addition for dry or dehydrated skin while its gentle profile suits sensitive and mature skin. Oily and combination skin can also benefit because the extract is light and non-greasy. At this time there is no specific reason for acne-prone skin to avoid it.

The ingredient is plant-derived and typically processed without animal by-products so it is considered suitable for both vegans and vegetarians. As always it helps to check the full ingredient list of the finished product to be sure no animal-based additives were used elsewhere in the formula.

There is currently no evidence that topical use poses a risk to women who are pregnant or breastfeeding. Still this is not medical advice and anyone who is expecting or nursing should show the product to their doctor before adding it to a routine.

The extract does not make skin more sensitive to sunlight and can be used morning or night without special precautions. It also plays nicely with common actives such as vitamin C, niacinamide and gentle exfoliating acids.

Potential Side Effects/Adverse Reactions

Side effects from topical Trichosanthes Kirilowii Root Extract differ from person to person. The points below describe potential reactions yet most people will not notice any problems when the ingredient is formulated and used as intended.

  • Redness or mild stinging in very reactive skin
  • Contact dermatitis in individuals allergic to members of the cucumber family
  • Increased dryness if the product is used in a very low humidity environment without a follow-up moisturizer

If you notice any discomfort or irritation stop using the product and consult a healthcare professional.

Comedogenic Rating

Rating: 0/5. Trichosanthes Kirilowii Root Extract is water based and contains mainly humectant sugars, light amino acids and trace minerals that sit on the skin without forming an oily film. It lacks thick butters or heavy fatty acids that typically clog pores so it is considered non-comedogenic. This makes the extract suitable for people who are prone to acne or frequent breakouts. Keep in mind that the final product’s overall formula can still cause congestion if it contains other pore-blocking ingredients.

Summary

Trichosanthes Kirilowii Root Extract is used in skincare for hydrating, soothing and conditioning benefits. Its mix of natural sugars attracts water while amino acids and minerals support a soft comfortable feel, which is why formulators slip it into masks, gels and lightweight creams.

The ingredient is moderately popular, seen more often in East Asian beauty products and select boutique formulas than in mass market lines, yet it is gaining attention as brands look for gentle plant derived hydrators.

Current research and long-standing traditional use point to a high safety profile with very few reported reactions. Still you should always patch test any new product containing this extract to make sure it plays nicely with your skin.

Was this article helpful?
More from Glooshi:
ADVERTISEMENT
Get all our top headlines in beauty.
Delivered right to your inbox each week. Zero spam, all goodness, opt-out at anytime.
This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.
Get the latest beauty news, top product recommendations & brand-exclusive discount codes direct to your inbox.
Send good feedback:

All feedback is greatly appreciated, anonymous, and will be used to improve the quality of our articles.

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.
Send bad feedback:

All feedback is greatly appreciated, anonymous, and will be used to improve the quality of our articles.

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.
Search