Update: Looks like all the samples are currently out of stock
Just for signing up to their newsletter you can get a free sample. You get to choose which one you want.
Get a free sample from The Laundress. Sign up to their newsletter and choose the free sample you would like to receive.
Choose from The Laundress Stain Solution, Delicate Wash, Sport Detergent or Wool & Cashmere Shampoo.