Oops, it doesn't look like 'blow dry blow dry day' is a national day..

Other days

first love

First Love Day
lumpy rug

Lumpy Rug Day
ruby

Ruby Day
youth

Youth Day
lash

Lash Day
me

Me Day
unicorn

Unicorn Day
ponytail

Ponytail Day
prosecco

Prosecco Day
my little pony

My Little Pony Day