Work out hair loss stage instantly with clear inputs, formula shown and shareable results.
Compares measured hair density with an unaffected baseline such as the occipital scalp, and checks daily shedding against the usual 50 to 100 hairs.
Density loss
Loss (%) = (baseline density - current density) / baseline density x 100; typical shedding is 50-100 hairs a day
Educational estimate only. Not a substitute for professional clinical judgement, and must not be used to make treatment or dosing decisions.
In androgenetic alopecia the occipital region is largely spared, so it approximates the original density.
Visible thinning usually needs about half the density to be lost, so measurement detects change earlier.