Hiya Katie!
Welcome to planDisney! My son had his first haircut at Harmony Barber Shop in
Magic Kingdom Park on Halloween Day many years ago. It was such a lovely memory to have this "first" in one of our family's favorite places on Earth.
I looked up the availability for dates in March 2024 on the US Walt Disney World Website and found that it was open and had availability for reservations till the end of the month. It appears to
look quite differently on the UK version of the site which shows it was "Temporarily Unavailable. " That is odd as I distinctly remember visiting the shop in October to reenact our family photo from that Halloween Day. I do find that if I check the availability calendar on the Harmony Barber Shop's page I see the hours are showing that this location will be open from 9 AM to 4:45 PM. This is great news as you can definitely get a chance to enjoy this experience when you arrive in a few weeks! There is also a chance you may get same-day reservations if you visit as soon as it opens but I would try your best to get reservations in advance.
I love the My First Haircut package which provides a haircut, keepsake lock of hair, certificate, and commemorative Mickey Ears hat. The stylists had great photo ideas which I used when taking pictures. I still have those Mickey Ears but I have no clue what happened to that lock of hair. (Sorry, my son!) In case you didn't know, while tipping or gratuity is optional, if you choose to give one at this location then make sure you have sufficient cash on hand. The tip was not allowed to be added to the credit card slip like other locations.
I hope this helps and you have a fabulous time! If you have any questions please feel free to
let me know!
Happy Planning!
-Nimmy