If you've ever finished a set and felt like something was slightly off — the shape wasn't quite right, one side looked different from the other — lash mapping is probably what was missing. It's the process of planning your set before you place a single extension, and it's how professional techs consistently produce sets that flatter the eye and suit the individual client in the chair. Below is a standard setup for an open eye lash effect.
Why it matters
Without a map, you're making length and placement decisions on the fly, extension by extension. That works fine for experienced techs who've internalised those decisions over hundreds of sets. For everyone else, it creates sets that are subtly inconsistent, hard to replicate at the next appointment, and more difficult to troubleshoot. A map takes a few extra minutes at the start. It saves time throughout the set and produces a noticeably better result.
The five zones
Most lash maps divide the eye into five zones, working from inner to outer corner.
- Zone 1 — inner corner: shortest lengths, typically 7–9mm. These lashes are fine and fragile — never overload them.
- Zone 2 — inner-mid: stepping up to 9–11mm. The transition into the main body of the set.
- Zone 3 — centre: your peak lengths, typically 11–14mm depending on natural lash length and the style requested.
- Zone 4 — outer-mid: stepping back down, usually matching or slightly shorter than Zone 2.
- Zone 5 — outer corner: shortest of the outer section, typically 8–10mm. Critical for defining the tail of the set.
💡 The most practical way to map is to mark zones directly onto the under-eye pad with a fine-tipped pen before you begin. A few small lines or dots is all it takes — it gives you a constant visual reference throughout the set.
Account for the individual eye
Lash mapping isn't about applying a template — it's about applying a template thoughtfully. A client with hooded eyes needs different zone proportions than someone with deep-set or round eyes. A client with close-set eyes should have shorter inner corners and a stronger step-up to avoid making eyes appear even closer. Before you map, look at the eye shape, consider what the client wants, and plan the map to serve both.
Consistency between appointments
One of the biggest advantages of mapping is repeatability. If you keep a record of the map you used — photographed, noted on the client card, or both — you can reproduce the same set at every infill. Clients notice when their lashes look the same every time. Start mapping every set, even when it feels slow. It becomes second nature faster than you'd expect.
Everything you need to map with confidence: browse our full lash tray range and stock the lengths your maps call for — or grab our disposables range for eye pads, tape, and micro brushes.
🎯 Extension length should never exceed 2–3mm beyond the client's natural lash length. For fine or short lashes, cap at +2mm. Overloading short naturals is one of the most common causes of premature shedding.


