Saturday, August 31, 2024

Urushi rash and how to prevent it

Traditional Asian lacquer finishes have soared in popularity among pen enthusiasts in recent years, with a commensurate increase in the number of companies and artisans offering urushi work on their products. Unfortunately these products are not always allowed to cure fully before being sold -- a process that can take a year under proper conditions after the last coat is applied. This doesn't always affect the surface stability, but it can lead to unpleasant rashes. While a lucky few are immune, most people react to uncured urushi in much the same way that they do to poison ivy and poison oak.

I grew up in an area where poison oak was endemic; exposure was pretty much inevitable for anyone spending much time exploring the woods. I got more than my share of awful rashes as a boy, so when I ran across this video several years ago I resolved to share it as widely as I could.

Whether the exposure comes from insufficiently cured lacquer or from the great outdoors, the principles of managing urushiol exposure are the same. Putting on creams and taking antihistamines are of limited use unless you have completely scrubbed off that tenacious invisible film. And just to be clear, you most certainly should seek out professional medical advice in case of any serious allergic reaction. Prevention beats cure, but prevention is never going to be 100%.

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