Question Summary:
Applying balm to the forehead while fasting

Question Detail:

 
During Fasting I had felt head Ach. If I apply balm over my forehead then my fasting is valid or it will be a makru. let me know.

Answer :

In the Name of Allah, the Most Gracious, the Most Merciful.
As-salāmu ‘alaykum wa-rahmatullāhi wa-barakātuh
Applying balm to the forehead is not Makrooh and does not invalidate one’s fast.[1]
 
And Allah Ta’āla Knows Best
 
Ismail Desai,
Darul Iftaa
 
Checked and Approved,
Mufti Ebrahim Desai.