If you want to make a good impression in your new job, it's a good idea to get your hair cut - and that's exactly what Boris Johnson did.
The Brexit campaigner was today at his first official appointment since becoming a minister, at a meeting of foreign secretaries in Brussels - and he was doing his best to fit in with a new do.
I think we all deserve some good news after this weekend:
Boris Johnson arrived in Brussels, has not mention Hitler so far and cut his hair.
-- Maximiliane Koschyk (@MaxKoschyk) July 18, 2016
The trademark shaggy locks were looking a little more tamed than usual, but it wasn't enough for some people.
Someone comb the hair of Boris Johnson FFS
This Buffoon now represents us abroad
And goes around looking like a paraffin lamp#bbcdp
-- UpYerKilt (@MightyScotland) July 18, 2016
And it looked like he was still doing his best to ruffle it.
Some people assumed the demand had come from on high.
-- Nathan Coyle (@nathan_coyle) July 18, 2016
Imagining Theresa May having a sit down with Boris and telling him to get a haircut ( which he has)
-- What Katie Did (@katiegg) July 18, 2016
Or possibly he's been taking advice from one of his predecessors, who previously flagged his hair up as a potential issue.
Former foreign secretary Malcolm Rifkind reckons Boris Johnson needs to get a hair cut an tuck shirt in now he's in the job
-- Nick Eardley (@nickeardleybbc) July 17, 2016
Either way, it was terrible news for Twitter's premier account dedicated to Boris Johnson's hair.