TT #262 · Parshas Tazria · Aliyah 7 · Passuk 47
English: If a garment has a lesion of tzaraas, whether in a wool garment or a linen garment,
Torah Temimah cites Sifra (Toras Kohanim) for requiring wool and linen to remain in their natural, undyed forms.
English: Might both dyed and undyed garments become impure? The verse teaches that, like linen in its natural state, wool must also be in its natural state.
Textual derivation
Garment tzaraas applies to wool and linen in their natural, undyed forms.