| | Use | Countries in which present | Age and scalea of use |
| | Wigs, hair extensions, eyebrows, beard, and so forth | Production: India, China, Korea, Tunisia, Italy, Russia, Bangladesh, and Pakistan
Market: USA, UK, Africa, Japan, China, and Italy (almost every country) | Centuries old; very large scale |
| | Fertilizer | China, India, and USA | Centuries old (recent in USA); medium scale (few villages/towns) |
| | Pest repellent | India, USA, and Mauritius | Centuries old; small scale |
| | Clay reinforcement | India, Bangladesh, Syria, and Europe | Centuries old; medium scale |
| | Oil-water separation | USA, Philippines | 15 years; medium scale |
| | Stuffing toys, furniture, mattresses, and so forth | India, USA, Hawaii, and few European countries | A century old; medium scale |
| | Fabric making | China, India | Few centuries old; medium scale |
| | Artwork | Past: China, England, USA, Prussia, France, Italy, and Scandinavian countries
Present: China, USA | China, 1000 years, Europe, 200 years, and recent revival, 20 years; small scale |
| | Hydrolyzed protein (HHKP) | USA, Europe | 20 years; small scale |
| | Extracting amino acids | India, China, Korea, and Europe | 40 years; medium scale |
| | Ethnomedicinal uses | China, India | Centuries old; small scale, carbonizedhair medium scale |
| | Suturing material | Europe, India, China, and Turkey | Europe, 5 centuries, others, 50 years; very small scale |
| | Testing material for hair care products | Europe, USA | 100 years; small-medium scale |
| | Cosmetic brushes | India, USA | 40 years; small-medium scale |
| | Hygroscope | India, China, USA, and Romania | 200 years; very small scale |
| | Nesting material for birds | USA, Europe | In nature, centuries, by humans, 50 years; small scale |
| | Ropes | America, Japan | 100 years, small scale |
| | Musical instrument | Philippines | Centuries old, very small scale |
| | Oil filter | China, Europe | 100–50 years ago, medium scale |
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