When it comes to having a clear out, there’s a general rule often bandied about: consider the last time you used it and if it’s been a few months, chuck it out. We’ve all done it, but Silverthorn advises going against that.

“When decluttering anything, I don’t go by when I’ve last used it,” she says, “You’re decluttering because things are a bit of a mess so you may not have even seen that item for a year and most likely forgot you owned it, which could the main reason behind why you haven’t used it. So I throw that rule out the window. By doing this, you’ll be able to break out of the cycle of constantly piling up products.”

How to clear out your beauty collection, according to a decluttering expert