Undoed vs. Undyed

Undoedverb

(nonstandard) undo

Undyedadjective

not dyed; in its natural colour

Undyedverb

simple past tense and past participle of undye

Undyedadjective

not artificially colored or bleached;

‘unbleached blonde hair’; ‘her hair is uncolored’; ‘undyed cotton’;