Is there a chemist after security at the airport?

That's where I go to buy my mini deodorant spray can.

Shame about hubby. I was going to suggest squirting some sunlotion into a travel bottle which is what I do for a day out here. Lasts ages. Must it be a propellent spray? Could you not use a travel spray bottle and fill from a bigger spray bottle?

https://tinyurl.com/y8aockub

into

https://tinyurl.com/ybn7gxce

Short of buying a bottle and testing it. How large is a travel bottle? 50ml? What is your normal bottle size? 200ml? That means the travel bottle will last you a 1/4 of what you normally get. Reality is it'll be less than that. Smaller bottles will end up with more waste.

Nobody can give you a definitive number. Everything from weather,swimming,sweating and even person size would make a difference.

Easiest way is to test it yourself. Stick a postit on the bottle and put a tick for each use. Then at the end you know how many uses per mls. I do this for loads of my travel products and keep them all listed in a spreadsheet.

Is the reason you want a small bottle because of restrictions on liquids you can take on board, if so why not get a larger size once you are air-side of security in Duty Free, you can always leave it behind if you don't use it all.

"Easiest way is to test it yourself. Stick a postit on the bottle and put a tick for each use. Then at the end you know how many uses per mls. I do this for loads of my travel products and keep them all listed in a spreadsheet."

NERD! We need graphs! ;)

LOL graphs are in my too hard basket!

What about a solid stick of sunscreen that you just roll on (like solid deodorant)? Mine is just 1.5 ounces and is lasting quite well. I like the solid because I'm not inhaling tiny droplets, and my palms aren't getting all greasy and messy and transferring sunscreen to other surfaces.

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