After the soap has worked its magic, wash the garment as usual in your washing machine. But here’s the kicker: use the warmest water the fabric can handle. Check the tag, but warm water helps dissolve leftover carotenoid particles.
Also, never put the item in the dryer until you are 100% sure the stain is gone. Why? Heat from the dryer will "bake" the stain into the fibers forever. It’s like turning it into a permanent, dusty tattoo.
Trust me, I learned this the hard way with a very expensive silk scarf. Now I know: air-dry first, check your work, then use the dryer.
How to Get Lily Pollen Out of Clothes