Precautions Before Getting Pantodil Injections for Hair Loss Management?

Lately, as I look at the hair piling up in the drain every time I wash my hair

I suddenly get scared because it seems like hair loss on the crown of my head has started.
It seems like scalp supplements or hair loss shampoos have their limits.

I decided to try getting Pantodil injections at the hospital to nourish the scalp directly.
Because it is said to make hair thick and strong by directly supplying nutrients to the hair follicles

I have very high expectations for the Pantodil treatment.
Whether I should wash my hair before going to the hospital, etc.

I'm wondering if there are any specific precautions I must follow before and after the Pantodil procedure.
Among Maypure members, for scalp care

If there are any people who are consistently using Pantodil, do you have any tips or precautions for beginners?