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I started the Regimen a while back using 16 oz bottles for BP and AHA+. To my dismay, it got to a point where the pump would stop pumping product out despite plenty of product being in the bottle!
How is everyone getting that last drop or "emptying" their bottles? Maybe taking the pump out and putting the close-to-empty bottle upside-down to trickle down into another bottle? Or cutting the bottle in half and scooping up the remaining product to put into another bottle??
Use a boxcutter or exacto type knife and cut across to open the top. Just use your clean fingers to get the remainder of the stuff out. Use scissors to cut around to make the bottles smaller and smaller as you need to. Use some sort of plastic and rubber band to cover the top so it doesn't dry out.
That's my method and no drop goes wasted. Once I do that I can keep using it for another half a month or so.