Care · 5 min read
Living with indigo
A care guide for naturally dyed textiles — and why the fading is the feature.
October 21, 2025
Natural indigo (aizome, 藍染め) is not really a dye in the modern sense. It is a pigment that is coaxed out of fermented indigo leaves and then bonded to fibre through oxidation. Because it sits on the fibre in thin layers rather than penetrating it uniformly, every wash removes a fraction of that surface — which is why old indigo softens into pale, dusty blues over decades.
The first three washes
A new indigo textile will bleed. This is normal and expected. Wash it separately, in cool water, with a pH-neutral detergent — no oxygen bleach, no enzyme-heavy powders. After three or four washes the bleeding will slow to almost nothing.
Everyday care
- Cool water, gentle cycle, or hand wash. Hot water accelerates fading unnecessarily.
- Line dry in shade. Direct sunlight will bleach indigo unevenly — pretty on denim, less pretty on a throw.
- Skip fabric softener. It coats the fibre and blunts the natural drape linen develops with age.
- Iron on the reverse side, medium heat, while slightly damp.
On stains
Blot, do not rub. For most stains, cool water and a bar of unscented soap applied directly to the mark, then a gentle wash, is enough. For oil, dust the spot with cornstarch, wait an hour, brush off, then wash. Aggressive stain removers strip indigo faster than they strip stains.
The long view
A well-cared-for indigo textile is meant to record its life. The corner that sat in the sun by the window will lighten first. The section you pulled over your shoulders on cold evenings will soften first. In ten years the piece will look nothing like the day it arrived, and that is the point.
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