Promise. Not only is this bar 100 percent soap-free—which makes it the go-to shampoo for color-treated hair—but it's vegan, eco-friendly, and safe for all skin and most hair types. It's ...

But for those rare times when your hair remains greasy (even after you've washed it), can you use dish soap to get rid of the stubborn slickness? It all started after I took a weekend vacation.

Eco and travel-friendly, soap ... the hair and scalp. They last around 25 washes and the smart mesh sachet they come in helps boost lathering capabilities while the logo embossed onto the bar ...