Difficult to Keep Clean

I purchased this diffuser for my classroom to provide aromatherapy to students. After about six months of daily use, it had become so dirty and sticky that I threw it away. I tried cleaning it without lasting results. I will note, that despite having aesthetic issues, the diffuser was still functional and working at the time of disposal. If I were looking for a higher quality and/or aesthetically pleasing diffuser, I would purchase a different product.

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