Why your winter hair looks greasy even after washing — and how to fix it

If you’ve noticed your hair looking flat, lacklustre and shiny in all of the wrong ways — even immediately after shampooing — you are not imagining it, and you’re definitely not alone.

As it happens “greasy hair after washing” pretty consistently ranks among the UK’s most-googled hair woes, right up there with “how to get rid of frizz” and “solutions for thinning hair.”