Oops, it doesn't look like 'skin check day' is a national day..

Other days

buddy

Buddy Day
bubble bath

Bubble Bath Day
eat what you want

Eat What You Want Day
prosecco

Prosecco Day
book

Book Day
pick me

Pick Me Day
brow

Brow Day
cuddle up

Cuddle Up Day
tulip

Tulip Day
cat girl

Cat Girl Day