K18's Leave-In Molecular Repair Hair Mask did just that, emerging in late 2020 as the new ‘It' girl of at-home hair treatments. The K18 hair mask is a leave-in formula designed to reverse damage ...

The cuticle is your hair’s protective outer layer, and when it’s healthy, it’s smooth and flat. Damage can lift some of the ...

Hailey Bieber swears by the K18 viral hair mask and now the brand has launched two new shampoos. Here are Team Stylist’s honest thoughts on the K18 hair range. With a long list of scientific ...

While K18’s popular Molecular Leave-In Repair Hair Mask does address broken disulfide bonds, the brand doesn’t call it a bond builder—but rather biomimetic hair science—because it also ...

Formerly known as The W Nail Bar, the company has rebranded to Goddess Maintenance Co as it expands services and debuts its ...

Now you know what to look out for and how best to apply, keep scrolling, to see which hair masks made it into our list of the very best to buy now, from Aussie, Aesop, K18 and many more.