Density :
2D–6D: Natural to hybrid volume (2D for classic sets, 5D for textured volume).
8D–20D: Mega-volume/Russian volume (12D for dramatic looks).
Curls: C (classic), D (dramatic), DD (extra bold), or L (lower lash line).
Heat-processed curls: Retain shape even in humid conditions.
Root :
Pointed base: Easier pickup and application.
Flat base: Creates a darker lash line effect.
Fan Shape:
Short-stem: Natural/fluffy looks (2D–6D).
Long-stem: Eyeliner effect (3D–5D).
Performance & Safety
Adhesion: Requires lash glue (cyanoacrylate-based); minimal adhesive at the base to avoid bulk.
Retention: Lasts 2–4 weeks with proper aftercare (oil-free products recommended).
Safety: Latex-free, vegan, and cruelty-free options available.
Packaging & Quantity
Trays: Typically 120–640 fans per box, arranged in rows on adhesive strips.
Customization: Available for private labels (length, curl, density).
Key Benefits of Pre-Fan Lashes
Time-saving: No manual fanning required, ideal for beginners.
Consistency: Uniform spacing and symmetry in each fan.
Versatility: Suitable for natural, hybrid, or dramatic styles.