Dried Gromwell Root Zi Cao 紫草 Xinjiang Soft and Hard Grades Traditional Herb for Dyeing and Infused Oils 500g

Dried Gromwell Root, known in TCM as Zi Cao (紫草), from Lithospermum erythrorhizon or related Arnebia species. These sun-dried roots from Xinjiang are sold as a raw edible-grade botanical in mixed soft and hard grades. In TCM theory Zi Cao is cool in nature, salty and sweet in flavor, and traditionally associated with the heart and liver channels. Traditionally used in infused oils, external washes, and herbal preparations. This product is not a substitute for medicine; consult a qualified practitioner before use.

Key Selling Points

• Authentic Xinjiang-sourced dried gromwell root sold by weight as a raw edible agricultural product
• Botanical source Lithospermum erythrorhizon or related Arnebia species known in TCM as Zi Cao
• Sun-dried whole roots offered in mixed soft and hard grades for flexible herbal use
• Traditionally valued for its deep red-purple pigment used in natural dyeing and infused oils
• Suitable for external washes, oil infusions, and traditional herbal preparations under practitioner guidance

Quality & Sensory

The roots typically appear dark purple to purplish-red with a rough, twisted, elongated form. Texture varies between softer pliable pieces and harder woody segments in the mixed grade. The aroma is typically faint and earthy, and the roots release a rich red color when soaked in oil or alcohol.

Technical Specifications

Usage Scenarios

• Infuse in carrier oil to make traditional red gromwell oil for external topical use
• Simmer as an external wash or compress following practitioner guidance
• Use as a natural dye for fabrics, soaps, and cosmetics
• Incorporate into traditional herbal formulas prepared by qualified practitioners

Traditional Uses

In traditional Chinese practice, Zi Cao has long been included in external oils and washes, where its characteristic purple pigment was prized. Gromwell-infused oil is a classic household preparation traditionally applied to soothe the skin. The root was also traditionally combined with other cooling herbs in decoctions prescribed by herbalists. In folk craft, its rich color made it a valued natural dye for textiles and handmade soaps.

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