How Long Does A 16 Oz Bottle Of Shampoo Last

How long does a 16 Oz bottle of shampoo last? How many washes can you get from a shampoo bottle? How long will it last? – I bet you love to have big bottles of shampoos. It can even save money if it lasts for a prolonged time. If you are on vacation, you don’t want to finish the mini-sized shampoo before the vacation is over. However, you just can’t let them expire before using them up, right?