1. Assess the natural lash and choose 0.03 or 0.05 on its strength and the finish required.
2. Cleanse and prime, then tape and map the eye.
3. Isolate a single natural lash cleanly - at this count stickies become harder to release.
4. Dispense a generous glue dot and refresh regularly, more often at 0.03 than 0.05.
5. Dip the base tip only; reduce the dip further when working at 0.03.
6. Place, confirm the fan is open, and hold until the base seats.
7. Space wider than at lower densities and stop on coverage.
8. Check each section for stickies, comb through, and cure fully.

• Using one dip depth across both diameters - 0.03 floods at a depth 0.05 tolerates. Adjust when you switch.
• Over-placing - nine fibres fill faster than most artists expect. Judge on coverage, not on a count.
• Choosing 0.05 for weight reasons on a delicate lash - 0.03 exists precisely for that client.
• Batch stickie checks - at this density late-found stickies are hard to separate cleanly. Check per section.
• Flat length mapping - density amplifies a flat map into a band. Contour more deliberately.

9D AT 0.03 VS. 9D AT 0.05

• Total fan weight - 9D 0.03: Lower | 9D 0.05: Moderate
• Finish - 9D 0.03: Soft, cloudy, fully blended | 9D 0.05: Dense with a little more presence
• Natural lash suitability - 9D 0.03: Delicate to average | 9D 0.05: Average to strong
• Adhesive handling - 9D 0.03: Demanding - floods easily | 9D 0.05: Forgiving
• Placement pace - 9D 0.03: Slower, more careful seating | 9D 0.05: Standard
• Best for - 9D 0.03: Lash-health-led mega-volume | 9D 0.05: Everyday dense volume sets

Materials: PBT pro-silk fibre with a light cosmetic bonding agent at the base. Vegan, latex-free and cruelty-free. Patch test new clients for adhesive sensitivity.

At what density does a set genuinely stop reading as individual fans?

Around eight to ten fibres on most natural lash lines, which is why 9D is a meaningful threshold rather than an arbitrary number. Below it clients see fans; above it they see a lash line, and that shift is what most people are describing when they say a set looks expensive.

If the weight is similar, why choose 0.03 over 0.05 at the same count?

For the finish as much as the weight - 0.03 blends into a softer, cloudier density while 0.05 keeps a little more substance and shape. On a delicate lash line the weight matters too, but on a healthy one it is primarily an aesthetic choice.

How do I stop the set looking heavy at this density on a smaller eye?

Shorten through the centre and flatten the curl there so the set opens outward rather than upward. At nine fibres and above, the silhouette carries the whole impression, so a map that suits a large eye will overwhelm a small one regardless of the fibre spec.

My 9D sets take longer than my 5D sets despite fewer fans - is that expected?

Yes. Time shifts from placement count to placement quality - longer seating holds, more careful pick-up and more frequent glue dot refreshes. Pricing on appointment length rather than fan count is the honest way to reflect that.

Should I move a long-standing 5D client up to 9D?

Only with a conversation first - a client who has worn 5D for a year has an expectation of how her lashes look, and an unrequested density jump reads as a change she did not ask for. Show her the difference, agree it, and adjust the infill cadence to match.