i ordered these to use with homemade mixtures of essential [SEP] i ordered these to use with homemade mixtures of essential oils water etc for body sprays air fresheners etc i have used three bottles so far all three of them have defective sprayers after each pump you have to physically pull the sprayer back up in order to spray again very inconvenient after the third one i decided to return them but just discovered that i missed the return window by days