my skin doesn't appear in the game

my skin doesn't appear in the game
my account is new, I import a custom skin in the launcher but it doesnt apper in game, in game its Alex, not my custom skin

Its all right with the skin and i am sure its on the game, because when I search for my account the costum skin is showed

I dont know if the problem is because its a new account, I just bought minecraft java today

Can Someone help me?