Adventures in Wonderland (1992)

S1E56 Hair’em Scare’em/The Girl With Green Hair

When the Mad Hatter sends a bottle of his latest shampoo to the Red Queen, he realizes that it has accidentally dyed Alice's hair green. Meanwhile, the March Hare scrambles to recover the shampoo before the Red Queen gets her hands on it, while the Mad Hatter works frantically to return Alice's hair to its natural color.