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Radix Stemonae Extract: A Natural Antimicrobial and Anti-itching Ingredient
2026-04-24
Radix Stemonae Extract, derived from the dried tuberous roots of Stemona erecta, Stemona tuberosa or Stemona opposita (plants of the Stemona family), is a traditional and classic herbal ingredient with a long history of both topical and internal use. This product is meticulously crafted from authentic, high-quality Stemon root, utilising a process involving low-temperature water extraction, alcohol extraction, membrane separation purification and spray drying. It fully concentrates core active ingredients such as Stemon alkaloids, stemonin, flavonoids and polysaccharides. The finished product is a fine powder ranging in colour from light brown to dark brown. It possesses a pure aroma, excellent solubility, stable activity, and is safe and gentle. It is widely used in personal care and household cleaning products, personal hygiene items, disinfectants, health supplements, and as a raw material for traditional Chinese medicine. It is a high-quality plant extract with natural insecticidal and anti-itching properties, as well as antibacterial, soothing, lung-moistening and cough-suppressing effects.
I. Core Active Ingredients
Total Stemonine Alkaloids: The core signature component, comprising stemonine, stemonine A and stemonine B, which are the primary active substances responsible for antibacterial, insecticidal and anti-itching properties.
Stemonin and Sesquiterpenes: Soothe skin discomfort, inhibit allergenic factors and gently repair the skin’s surface.
Flavonoids and Polysaccharides: Provide antioxidant and anti-inflammatory benefits, reduce skin irritation and enhance gentleness.
II. Key Benefits
1. Natural insecticidal and anti-itching properties, soothing skin itchiness. Stemonine alkaloids are natural insect-repelling and anti-itching ingredients that can rapidly relieve dry, itchy skin, seasonal itchiness and itching caused by insect bites. They soothe skin redness and stinging discomfort whilst remaining gentle and non-irritating, making them the preferred ingredient for anti-itching skincare products.
2. Broad-spectrum antibacterial action, leaving skin fresh and clean. It exerts a significant inhibitory effect on various harmful skin bacteria and fungi, helping to improve the skin’s microenvironment and reduce microbial proliferation. It assists in alleviating discomfort caused by skin congestion and dampness, making it suitable for intimate care, body care and scalp care formulations.
3. Lice and Mite Control: Natural Plant-Based Disinfection Leveraging the traditional properties of this classic herb, it offers gentle lice-killing and mite-suppressing effects. Commonly used in cleansing and care products as well as topical disinfectants, it is eco-friendly, safe and low-irritating, making it suitable for household cleaning and personal care applications.
4. Moisturising the lungs and regulating qi, soothing coughs and relieving phlegm: Drawing on the traditional medicinal and dietary properties of Stemona, the extract gently nourishes lung qi and alleviates respiratory discomfort, relieving persistent coughs, dry coughs, and dry, itchy throats. It is commonly used in herbal lung-nourishing dietary ingredients and wellness formulations to gently regulate respiratory health.
5. Anti-inflammatory and soothing, repairs delicate skin. Through the synergistic action of multiple herbal actives, it reduces mild inflammatory reactions in the skin, soothes discomfort caused by external irritants, improves rough skin texture, and gently repairs delicate skin, making it suitable for topical formulations for sensitive skin.
III. Main Application Areas
Personal Care: Anti-itch shower gel, herbal soap, body lotion, scalp wash, anti-mite care products;
Personal Care: Intimate care solutions, topical soothing sprays, herbal antibacterial care formulations;
Disinfection and Sanitisation Products: Plant-based mite repellents, insect repellent sprays, raw materials for herbal cleaning agents;
Health and Wellness Products: Lung-moistening herbal powders, composite herbal tonics, food-grade herbal formulations;
Traditional Chinese Medicine Raw Materials: Ingredients for TCM compound formulations, raw materials for topical herbal ointments and herbal washes.
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