Complete the indicated tasks to unlock the corresponding hairstyle.

Chao wig: Complete Hell mode.
Lilac ponytail: Find 1 rabbit.
Long blonde hair with blue ribbon: Find 19 rabbits.
Long blonde hair with police Hat: Find 130 stars and 40 rabbits.
Long blue hair: Find 49 rabbits.
Long blue hair with cowgirl hat: Complete Hard mode.
Long brown hair with nurse's hat: Find 100 stars and 30 rabbits.
Long brown hair with white visor: Find 6 rabbits.
Long gray hair with chicken hat: Find 100 stars and 35 rabbits.
Long gray hair with red and white hat: Find 29 rabbits.
Long gray hair with Santa hat: Complete Hard mode.
Long gray hair with white bunny ears: Find 59 rabbits.
Long orange hair: Find 5 rabbits.
Long pink hair with halo: Find 182 stars and 60 rabbits.
Long purple hair with white cap: Find 39 rabbits.
NiGHTS wig: Complete Hell mode.
Puyo Wig: Complete Hell mode.
Short green hair: Find 3 rabbits.
Sonic wig: Complete Hell mode.
Ulala wig: Complete Hell mode.