Transparent vertical stripes on fingernails and toenails

For several years, transparent vertical stripe patterns have been

I went to the dermatologist because of a skin issue, but there was no abnormality.

I received a response saying there is none.

It seems like blood circulation isn't good and it's also a cosmetic concern.

It looks bad and my nails and toenails have also become weak.

It looks like a bottle.

I'm just so frustrated that there is no real cureㅠ

People with similar symptoms to mine who have improved

Please reply.