question on Canon ET-120W II Lens Hood

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kurin Junior Member • Posts: 36
question on Canon ET-120W II Lens Hood

I cleaned this lens Hood today using Clorox and Kimwipes. then i noticed the cleaning left a band of while smear on the "black velvet" stuff on the inside of hood front end:

it is noticeable. How to clean the white smear off?

 kurin's gear list:kurin's gear list
Canon EOS 5D Mark III Fujifilm X-T2 Canon EF 50mm f/1.2L USM Fujifilm XF 35mm F1.4 R Fujifilm XF 18-55mm F2.8-4 R LM OIS +5 more
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