Silkworm Droppings (Bombyx mori) — Dried Herb for Pillows & Traditional Use

Silkworm Droppings (Bombyx mori), known in Traditional Chinese Medicine (TCM) as Cán Shā (蚕砂) or Wǎn Cán Shā (晚蚕沙), are the naturally sun-dried feces of silkworm larvae, a traditional herb and food-herb material long valued in Chinese wellness culture. Also called Silkworm Sand, this gently processed botanical is prized as a warming, dampness-transforming herb used in decoctions, herbal wraps, and pillow filling. Its nature is sweet, pungent, and warm, making it a gentle yet effective herb for dispelling wind-damp and harmonizing the body.

Key Selling Points

• Traditional food-herb material (药食同源)
• Naturally sun-dried silkworm droppings
• Bombyx mori origin, 500g pack
• Suitable for pillow filling and herbal wraps
• Sourced from Hainan, clean and dry

Quality & Sensory

Each batch is naturally sun-dried to preserve its dark olive-green to brownish color, granular texture, and mild earthy aroma. The particles are uniform and free-flowing, with no clumping or excess moisture. When decocted, it yields a gentle, slightly earthy infusion with a subtle warmth, while as a pillow filling it provides a firm, breathable, and supportive feel.

Technical Specifications

Usage Scenarios

• Filling for neck-support pillows
• Herbal wrap and compress material
• Traditional decoction ingredient
• Home herbal sachets
• Craft and textile filling

Traditional Uses

In folk herbal practice, Can Sha is decocted into soups and teas to dispel wind-damp and ease joint discomfort, often paired with herbs like ginger and jujube. It is also a classic filling for neck pillows and herbal wraps, where it is gently heated and applied to soothe the shoulders and neck. As a daily tea, it is brewed alone or blended with other warming herbs for a light, earthy infusion.

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