Human Hair

Source: The country or region where the hair is sourced (e.g., India, Brazil, Cambodia, etc.).
Donor: Single donor (which ensures uniformity in texture and color) vs. multiple donors.
2. Hair Type
Virgin Hair: Hair that has never been chemically treated or processed.
Remy Hair: Hair with cuticles intact and aligned in one direction.
Non-Remy Hair: Hair with cuticles not aligned, often leading to tangling.
3. Hair Length
Range: Usually specified in inches or centimeters, ranging from short lengths (8 inches) to long (30 inches or more).
Uniformity: Single length (all strands the same length) vs. double drawn (more uniform in length) vs. natural drawn (mixed lengths).
4. Hair Texture
Natural: Straight, wavy, curly, or kinky.
Processed: Some raw hair may be steam-processed to achieve specific textures, though it remains chemical-free.
5. Color
Natural Color: Usually in shades of black or dark brown, as the hair is unprocessed.
Color Uniformity: Should be consistent across the bundle, especially if from a single donor.
6. Weight
Bundle Weight: Typically, a standard bundle weighs about 100 grams (3.5 ounces).
Consistency: Ensuring each bundle in an order weighs the same.
7. Cuticle Condition
Intact: Cuticles should be intact and aligned to prevent tangling and ensure longevity.
Condition: The cuticles should be smooth and healthy, free from damage.
8. Tangle-Free and Shedding-Free
Tangle-Free: Hair should not tangle easily due to proper cuticle alignment.
Minimal Shedding: Wefts should be well-constructed to minimize shedding.
9. Weft Construction
Machine Weft: Common for strength and durability.
Hand-Tied Weft: More delicate, usually thinner and lighter, suitable for more natural looks.
10. Moisture Retention
Hydration: Hair should retain moisture well, indicating its health and quality.
11. Scalability
Availability: The ability to source large quantities consistently without compromising quality.
12. Smell
Natural Odor: Hair should have a neutral or natural smell without any chemical or artificial odors.