[Discussion] Has anyone ever experienced this with their Dr. Ceuracle Vegan Kombucha Tea Essence? What is going on?

Basically the title. I’ve been using the Dr. Ceuracle Vegan Kombucha Tea Essence for about a month and a half now, and have been really enjoying it. But I just noticed this weird rim around it this evening, and got kind of concerned. Has anyone ever experienced this with this product? Is it good to just wipe off and carry on, or should I be looking into whether or not this is a fake? I bought it from Yesstyle, which I haven’t received fakes on before, so I’m hoping that’s not the case. Just looking for anyone else’s experiences with this product and if they match mine. Thanks.

I’ve used this product for about 3 years and it has happened to all of them. I think it’s just some of the content that has oxidized and therefore changed into a darker colour. I wouldn’t be worried about it.