New jeans tend to run, so it is best to wash them on their own the first time.
Tips
usage
Both characters take their spoken readings here: 落 is lào, as in 落枕 'to wake with a stiff neck', and 色 is shǎi, as in 色子 'dice'. The word is also said luòsè. Fading is more often 掉色 or 褪色.
