TOK Beauty Brow TOK Volumizing Brow Gel
$28
Tints, thickens and holds in one pass, on castor oil, beeswax, shea butter and bayberry wax. Several shades plus a clear.
Harm reduction. Contains sodium benzoate and gluconolactone as its preservative system, which is what keeps a water-based gel safe.
A US source in the The Unmasked Face directory. Check that it ships to Europe; where it does not, the directory lists a European alternative alongside it.