Client study, brows as found.
As foundAs mapped
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Education first · drag the photo

Why brows and lashes thin.

Most brands skip straight to the bottle. Thinning has causes, and knowing yours changes what you should do about it — sometimes that means buying nothing at all.

Every appointment starts on this map, measured against your own bone structure and the hair you actually have, before anything is shaped, tinted or removed.

Drawn by K. Santoloci

The six causes

What we look at first.

Knowing which of these is yours changes what we recommend — and sometimes it means we recommend nothing at all.

01Age+

Hair growth cycles slow with time. Follicles produce finer, shorter hairs and spend longer resting between cycles, so density reads lighter even when nothing is wrong.The most common cause and the least talked about, because it can't be sold against.

02Hormones and life stage+

Pregnancy, postpartum, perimenopause and menopause all shift the hormonal signals that drive hair cycling. Loss that arrives alongside a life transition often behaves differently — and resolves differently — than loss that doesn't.If your timeline lines up with one of these, tell us when you call. It changes what we recommend.

03Thyroid function+

Both under- and over-active thyroid function are associated with changes in hair growth, and the outer brow is a frequently reported site.This is a conversation for your physician, not a studio. We'll tell you plainly when something belongs with a doctor instead of with us.

04Nutrition+

Hair is built from what the body has available. Protein, iron and other nutrient shortfalls show up in hair before they show up almost anywhere else. No topical product reaches past that.Inside-out, not outside-in — this is where that stops being a slogan.

05Stress+

Sustained physical or emotional stress can push hairs out of their growth phase early, and the visible shedding often lags weeks behind the stressful season itself.Which means what you're seeing now may be about what you were carrying then.

06Treatment frequency+

Repeated waxing or tweezing in the same areas, frequent chemical services, over-processing, or treating hair that is already dry or compromised can weaken the brows over time. What looks like thinning may sometimes be breakage, premature shedding, or hairs being repeatedly removed before they have the chance to fully grow back.This is why treatment timing matters. More is not always better, and sometimes the healthiest thing for the brows is giving them time to recover.

This is information, not diagnosis. We're estheticians, not physicians — we don't treat conditions, and we'll always tell you when a question is bigger than a brow.

Thinning eyebrows? Take our quiz

Thinning has causes & how you treat it matters.

What are you noticing?

Does the timing line up with anything?

What do you want from the first appointment?

Your blueprint

This is information, not diagnosis. We're estheticians, not physicians — we don't treat conditions, and we'll always tell you when a question is bigger than a brow.

Question 1

Pregnant or breastfeeding?

Two of these are not for you right now.

Tell us before your appointment and we'll steer you to the right one. This is the kind of thing we'd rather say out loud than leave you to find out.

  • Henna brows — yes. The low-tox option, and the one we'd recommend if you're ingredient-conscious.
  • Hybrid brow stain — not right now. We'll book you in for henna instead.
  • Lamination, lash lift and lash tint — talk to us. It depends on where you are and what you're comfortable with.