There are tons of products you can buy which are designed to keep the colour where it is, and not let colours run into each other, some are better than others of course, but there are also some natural ways of keeping on top of this as well.
There are tons of products you can buy which are designed to keep the colour where it is, and not let colours run into each other, some are better than others of course, but there are also some natural ways of keeping on top of this as well.