Imam Cafer Sadık (a.s): Seeing a laundress in a dream; It is a sign that you will get rid of sadness and repent of sins. Seeing yourself doing laundry even though you are not; It is a sign that you will repent from sin and become a person of worship.
Kirmanî: Seeing that the clothes you washed have turned white; It is a sign that you will return to Allah with a full return and that you will not sin anymore, and seeing the opposite means that you will sin constantly. is a sign.