I cannot find the mod for the hair can you help me please ?

you need mod https://sideload.betterrepack.com/download/AISHS2/Sideloader%20Modpack%20-%20Bleeding%20Edge/zodgame/Boy2239/%5bBoy2239%5dHairsf67.zipmod (download to /mods/MyMods path preferably)

Thanks