Can I still save my hairline at age of 15?

IMPORTANT UPDATE: Kuba, please Refer to this article and discuss using topical finasteride at an extremely low concentration with a doctor. It seems that finasteride at low concentrations is still effective against hair loss but it appears to NOT go systemic at least at an extent far less than what is commonly available eg. 0.1% or 0.3% concentrations. You may be eligible to hop on topical finasteride. This is not a medical advice, however it is absolutely worth giving a look in my belief.

Refer my other post here where I discuss topical finasteride: