noun
dye retarding agent; leveling agent
Technical term used in dyeing processes to slow down dye uptake and promote even coloring.
染色工程では、足留め薬を使って色むらを防ぎます。
In the dyeing process, a leveling agent is used to prevent uneven coloring.
Standard kanji spelling for this technical term.
Variant spelling without the okurigana め; less common but attested.
Compound of 足留め (ashidome, 'stopping, restraining') and 薬 (kusuri, 'chemical agent'), referring to a substance that retards dye absorption.