I used to add water to the shampoo bottle. I don't anymore only because I switched over to goat milk shampoo, the bar kind. It lasts a long time, too.Here's something that pisses me off, and my work around.
Pump bottles of shampoo and conditioner are MUCH easier for old arthritic hands to deal with than prying open a snap cap on lid. But the "straw" on the pump won't get all the product out of the bottle. Even worse, sometimes they cut the straw a bit short, knowing you will just pitch the bottle and the week -- or three -- worth of shampoo.
Nope, not me. Dang it! I paid for 38.2 ounces of Pantene, I want thirty-eight point two ounces!
So I do this. (Don't tell my husband.) If someone has a better way, let me know. When it makes the shhmmoook shhhmmmoook noise because the straw isn't sucking up shampoo, I add a little bit of water, say about a tablespoon. Swirl it around really well. It's good for a few days, maybe a week.
I do this twice, and then it's runny enough that hubby will probably notice. But do I throw it out? Nope! Now I take the top off and dump a blob into my palm. Then I set the bottle on the edge of the tub, on its side, which in our house means, "This bottle is too empty [for hubby] to bother with. Get out the new bottle."
I'll do the "dump a blob into my palm for a few days, leaving the bottle on its side, on the edge of the tub. Hubby has been around me long enough not to question this any more. Leave Sally to her weirdness.
But I am hardcore. I want at least 38 ounces of that shampoo. The .2 .... well, ok... I grudgingly will let that go. That's probably what is stuck in the straw anyway. So now the new bottle and the old bottle go into the kitchen. I add about 2-3 tablespoons of water to the old bottle and do my best to swish every bit of shampoo off the sides of the bottle. Then I dump that into the new bottle. I use the pumper straw to stir it around a bit. Then I put the bottle back together and put it on the shelf in the shower.
And because I am really hardcore, I put another 1/4 cup of water in the old bottle, shake it up, and then go take a shower and wash my hair with that.
Now, the bottle is clean for recycling, my hair is clean, and I feel very smug.