Clownfish face growth

[Ahmed_AD]

Hi, i bought this clown a few weeks back and didnt notice this white stuff on its face until i got home, any dieas what it is and how to treat it please?

 

[Ahmed_AD]

Hi, i bought this clown a few weeks back and didnt notice this white stuff on its face until i got home, any dieas what it is and how to treat it please?

Oh BTW, it is eating great and very active.