Find the start, arch and tail of your brows with a removable pencil map. This step-by-step guide explains how to compare the outline, use mapping string and test the shape with makeup before deciding about hair removal.
The Beauty Edit / Brow technique
Eyebrow Mapping: A Step-by-Step Guide for Symmetrical Brows
Eyebrow mapping starts with three removable marks: the start, arch and tail. Use them to sketch a shape around your existing hair, compare both sides, and try it with makeup before reaching for tweezers.

A map helps you see what a change would involve. Extending a short tail might take a few pencil strokes, while moving an arch could mean drawing over bare skin every morning. Trying the shape first gives you a chance to decide whether that extra work suits your routine.
Set out a small, clean kit
Start with a regular mirror, a clean spoolie, a removable brow pencil and a straight, clean brush handle for checking sight lines. Keep remover nearby so you can adjust the outline as you go. A pencil intended for the brow or eye area can mark the dots, provided you follow its directions and can see the marks clearly against your skin.
Inked mapping string is optional. A ruler can help compare distances on a drawing, but you can complete this first exercise with the pencil and mirror you already have. You do not need to purchase a full professional kit to decide where you like your brow to begin.
Wash your hands and clean your tools before starting. Skip irritated skin. The FDA's eye-cosmetic guidance advises using products intended for that area, avoiding cosmetics around an infection or inflamed skin, and stopping immediately if irritation develops.
Follow any patch-test instructions for an unfamiliar pencil or mapping ink. The American Academy of Dermatology also explains how to test a new cosmetic on a small area. Check the ingredients if you know you react to something, and keep the product out of your eyes.
Map your brows in six steps
Start with three pencil dots. The diagram shows their names and order along the brow, while the instructions below use facial landmarks to suggest where you might place them on your own face. Each dot can move as you compare the drawing with your existing hair.

Start: the inner beginning nearest the nose.
Arch: the brow's proposed high point.
Tail: the tapered outer end toward the temple.
1. Look at the hair before making marks
Face a regular mirror in even light, with your brow makeup removed and the skin dry. Brush the hairs gently in the direction you would normally wear them, then look at the outline from a little distance before moving closer to mark it.
Relax your forehead. If you are lifting your brows to get a better view, lower the mirror or change your seat until you can see without holding that expression. Notice the bare gaps and the existing edges, including any tail that finishes sooner than its partner.
2. Mark a possible starting point
Hold the brush handle upright beside the outer wing of your nose and look at where that vertical sight line meets the brow. Keep it clear of your eye. Mark a small dot at brow level, then repeat on the other side without pressing or shifting the nose.
Compare the dots with your brows' existing beginnings and the inner corners of the eyes, paying attention to any hair you would have to remove to follow the line. If the gap looks too wide, try moving the dots inward and compare again.
3. Find a possible arch
Looking straight ahead, imagine a diagonal from the outer wing of your nose through the outer edge of the colored iris and onward to the brow. Hover the handle safely in front of your face to visualize it. Place the dot only on brow skin.
Use the outer edge of the colored iris for this version of the map. The pupil is the darker center, and instructions that use its edge describe a different line. Published brow models also place the arch differently, as Anni Ding's review of eyebrow aesthetics explains, so compare this suggested point with your natural curve before adopting it.
For a brow that is almost straight, leave the rise subtle. You can try a higher peak in makeup if that is the look you want, but the dot alone provides no reason to remove hair underneath it.
4. Locate the tail
Imagine a second diagonal from the same side of the nose through the outer corner of the eye, extending toward the temple. Mark where it meets the proposed brow. The tool is a visual reference and should never touch the eye or drag across the eyelid.
Now compare the dot with your existing tail. A short tail can be extended with a little makeup for the trial, while a naturally longer one can remain visible as you consider a shorter drawing. Keep the hair in place during this comparison.
5. Sketch the outline around existing growth
Join the start and arch with a light curve, then taper toward the tail, working around the body of the brow instead of drawing a heavy box. Work in small strokes and make a faint upper boundary too, leaving room for the thickness you want to keep.
Alternate between sides as you sketch. Drawing one brow to completion before looking at the other can encourage you to force the second into whatever shape you happened to finish first. Compare the starts together, then the arches, and finally the tails with your face relaxed.
Leave the inner edges soft if that suits your style. A mapping line can look surprisingly severe when it becomes a solid makeup edge, particularly across the few upright hairs near the nose.
6. Remove the guides and test the makeup
Fill the proposed shape lightly with your usual brow makeup, remove the visible mapping marks as directed, and look again with the whole face in view. Step back from the mirror. Check the outline from the distance where someone would normally see your whole face.
Put on your glasses if you normally wear them. Try the drawing for a normal day if the product allows, noticing where you want to add pencil and whether the tail looks right with your usual hairstyle. At the next attempt, adjust those areas while leaving the underlying hair alone.
What mapping string adds
Press a short section of pre-inked string against the skin around a brow and it leaves a visible line for comparing the outline. With your dots in place, you can choose which of those points to connect, rather than letting the first transferred line dictate the rest of the drawing.

Follow the string manufacturer's directions and use a fresh length, keeping the dispenser and anything that touches the skin clean. Hold it lightly taut and touch a short section to intact skin at the brow to transfer the mark, keeping loose ends away from the eye and lifting away without sawing or snapping.
If holding the string steady feels awkward, use pencil dots for this attempt. A brow professional can demonstrate how to position and lift a short section without letting the loose ends drift toward your eye.
Godefroy's Professional Brow Mapping String comes pre-inked in a dispenser with a built-in cutter and 30 meters of string. It's an optional tool for making visible guides around your brow. Read the package directions and ingredient information before use, especially if you have a known cosmetic sensitivity.
What eyebrow mapping can tell you
In eyebrow mapping, small marks on the skin identify a proposed brow shape in relation to landmarks such as the nose and the corners of the eyes. You can compare the space between the inner starts and check where each tail would end before filling the outline.
The same three dots can support a full, softly curved brow or a much narrower shape. Leave room around the hair when joining them, then compare the thickness you like on each side. A ruler can compare distances, but choosing the outline still comes down to how you want your brows to look.
Brows can sit at different heights. A study of 100 people being evaluated for eyelid surgery documented differences in brow and eyelid measurements. That selected group doesn't tell us how common each difference is in everyone, but it is a useful reminder to leave room for variation when drawing.
If you are still choosing a general shape, explore Godefroy's guide to eyebrow shapes and facial proportions. Treat the examples as possibilities. During mapping, compare the proposed outline with your own hair before borrowing an arch from someone else's face.
When the points and your face disagree
One brow sits higher. Lower a raised forehead and straighten your head before comparing the lines, then try a small makeup adjustment where the difference bothers you. Shaving thickness from the higher brow to chase a horizontal line could leave you with a shape you never intended.
The starts look too far apart. Reconsider the nose-based dots and look at the actual beginnings of the hair, rather than immediately clearing everything inside the marks. A pair of identical measurements can still produce a gap you dislike.
A tail is sparse. Draw the proposed extension in a shade close to the existing brow and check it alongside the fuller side. Build the color lightly, since adding a dense block of color to compensate for missing hairs can change the whole impression of the brow, even when the length matches.
The string makes a broad smudge. Remove the mark as the product directs and let the skin settle before trying a lighter touch or a pencil dot. Redraw it only when you can see where the edge belongs.
You want to wax after mapping. Treat waxing as a separate decision with its own precautions, especially if you use retinol, prescription retinoids or have taken isotretinoin. Read the AAD's waxing precautions and discuss your skin-care products and medication with the professional. Do not stop a prescription on the basis of a brow tutorial.
How to use measurements without forcing a shape
A golden-ratio caliper repeats a chosen proportion, which can help you compare a drawing. It cannot decide which brow you will like. Ding's review describes changing brow models and preferences, so treat a measured arch as a suggestion you can adjust.
Try a straighter outline in makeup if you prefer a softer rise. Look at it with your usual hairstyle and at a normal conversation distance before choosing between the drawings. The time it takes to fill the shape each morning is a useful part of that decision too.
Before a professional begins shaping, sit upright with your forehead relaxed and ask to see the proposed outline in a mirror. Have them point out the hairs they plan to remove, particularly near a sparse arch or a patch you have been trying to keep.
Eyebrow mapping questions
Can I map my eyebrows without string?
Yes. A removable eye-area pencil and a straight, clean handle can establish the three reference points, after which you can sketch and compare the outline. String is optional and adds transferred guide lines.
Does eyebrow mapping remove hair?
No. Mapping marks a proposed shape, and you can finish the exercise by wiping those marks away. Tweezing, waxing and threading are separate actions, each with its own technique and precautions.
Can mapping make uneven eyebrows identical?
A drawing can help you compare cosmetic shape, but it cannot move the underlying facial structures or supply hair where it is missing. Aim for a result you like with your whole face in view.
How often should I map my brows?
Consider another removable map when you want to change the outline or have lost track of where you prefer the tail to end. You can maintain familiar makeup without measuring from scratch each morning.
Can I use ordinary pen ink or a marker?
Use a cosmetic intended for the eye area instead. Household inks are not a substitute for that intended use, and the FDA advises checking that products used near the eyes are made for it.
What should I do if the marks irritate my skin?
Stop using the product. Remove it gently according to its directions and avoid applying more to the irritated area. Follow the FDA's advice to seek medical care if irritation persists. For intense eye pain or a change in vision, the National Eye Institute advises immediate medical attention.
Sources and further reading
Research checked October 8, 2026, with source and product checks refreshed October 16, 2026. The makeup-first approach is an editorial recommendation. The sources below cover brow measurements, product features and eye-area care.
- Macdonald et al., Eyelid and brow asymmetry in patients evaluated for upper lid blepharoplasty. October 2, 2014. Original study in a selected eyelid-surgery population.
- Anni Ding, The Ideal Eyebrow: Lessons Learnt From the Literature. First published online August 25, 2020, April 2021 issue. Narrative review, PDF.
- FDA, Eye Cosmetic Safety. FDA eye-cosmetic guidance, accessed October 16, 2026.
- American Academy of Dermatology, How to Test Skin Care Products. August 10, 2021. Guidance on small-area cosmetic testing.
- American Academy of Dermatology, Hair Removal: How to Wax. Undated, accessed October 16, 2026. Facial-waxing precautions.
- National Eye Institute, Corneal Conditions. Updated August 6, 2025. Symptoms requiring immediate medical attention.
- Godefroy, Professional Brow Mapping String. Undated, accessed October 16, 2026. Product features and package quantity only.