Even if you use them with neat oils (as I've seen some experts do) they screw the non-screwable lid so tight that you might as well be grinding glass into your oils!!
There seems to be a trend for clear bottles, and whilst it's nice to see the liquid inside because colours of oils vary, I even use them for that reason in my perfume classes, for long-term use I wouldn't recommend them. Simply because one of the greatest destroyers of oils is light, it decreases their shelf life dramatically.
Coloured glass is much better than clear, you can use amber, green or cobalt blue. BUT you can see from the image of the amber bottle how much light still gets through. The same with blue or green.
If you want the Rolls-Royce of coloured glass bottles, you won't find better ones than Violet Miron glass. I use them in my Scent Studio and have been using them for my own skincare products and perfumes for years.
They’re pretty much smash proof too, another thing I know from experience!
Check out the last pic that demonstrates their superiority with a fresh chive test. The chives were stored in 3 different bottles for 3 months and the results are clear.
Check out the last pic that demonstrates their superiority with a fresh chive test. The chives were stored in 3 different bottles for 3 months and the results are clear.
Should you use the droppers though or screw lids? That’s a whole other post…
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