This product works well and is reasonably priced. I bought it because the peroxide I used to order was out of stock, probably because people are buying up stuff due to the covid pandemic. I was glad to find peroxide available. First time I ordered it was shipped to me very fast. The current order it says it will arrive in about a month since the time I ordered. It says 'in stock' so I thought they could ship it faster. Oh well, it is what it is. Just said that because it is possible the same slow shipping will happen to others as well. I'm a patient person, and like the free shipping, so I can't really complain. One thing I'll say is dilute this peroxide, as it is way too strong at 12 %. But that's good because I can store smaller containers and just add water to the peroxide I'm going to use. 3 % peroxide is generally safe for most things, so I'd do three parts of water to one part of this peroxide. Also, food grade peroxide has no taste unlike the nasty chemical flavor in typical brown bottle store bought peroxide. This is a huge advantage for anyone using it for oral hygiene. But in this especially, heed the warning to dilute to 3% as I can only imagine the mouth burn or sensitive teeth burn that undiluted would cause. Seriously don't want to go there. I'd imagine for cleaning, so long as one is wearing proper gloves, stronger strength is okay, but don't quote me on that. The more is better philosophy isn't always correct. The obvious; always read directions for any product. Hope I'm not sounding like somebody's mother. Maybe my OCD has me going too far into obvious details. But hoping someone, at least one person maybe finds this review useful. By nature products are purposeful and categorical. But efficiency counts in our consumeristic society too, so who has time to read things other than what is specifically needed? Oh well, easier to ask for forgiveness than permission.