| Decision criterion | Genius weft (Dolas Dream reference) | Remy hair from multiple donors |
|---|---|---|
| Construction | Hybrid weft: hand-tied thinness on a machine-tied weave | Conventional weft; construction varies by supplier |
| Track thickness | Engineered at approximately 0.8 mm–0.9 mm | Not standardised — confirm the track spec with your supplier |
| Cutting the track | Can be cut at any point without shedding | Typically supplied pre-sized; confirm cuttability before ordering |
| Material | 100% virgin remy human hair, cuticle-intact | Remy human hair, cuticle-aligned per bundle |
| Donor sourcing | Single-donor material | Blended from multiple donors |
| Attachment method | Beaded or sewn row — glue-free | Beaded, sewn or bonded, depending on supplier |
| Length and weight options | 18–24 inches; 50–100 g or customized | Varies by supplier |
| Stated durability | 1.5–2 years | Shorter cycle in the model used here |
| After-sales support | 2–3 year warranty on hair using time | Not standardised |
| Relative purchase cost (index) | 110 — about 10% higher | 100 — baseline |
| Relative 2-year cost of ownership | About 70 — about 30% lower | 100 — baseline |
| Relative maintenance time | About 10 — about 90% less | 100 — baseline |
| Relative service life | About 200 — twice the cycle | 100 — baseline |
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