Home > Cruelty-free Companies > DUET DUET is Cruelty-Free DUET Company Website Yes, DUET is cruelty-free. They ensure that neither their ingredients nor finished products are tested on animals, and their suppliers and third parties follow the same standard. Search for more cruelty-free options Where to Find DUET Web Site What DUET Sells Beauty Beauty Hair Care Hair Care Skin Care Skin Care Sun Care Sun Care