Is there a formula to set the color of the clothes?

Often we buy brightly colored clothing and wash it scares us because we feel they will lose color. This is almost always the case, why should not "abuse" of the washes, because nowadays although we use the best detergents, the reality is that the clothing is losing color in each wash. The first time you wash these "dubious" we will hand clothes, to ensure color fastness ... always in cold water. But also in what way we can fix the color? ... Here we leave a formula. You put the clothes in a "bowl" or a bucket with this mixture and let soak one hour 

1/2 kilo (2 lb.) of coarse salt

1/2 liter (1 pint) of vinegar 

2 liters (4 pints) of water 

If it works the color will be fixed, but that does not mean it never will lose color, as we know it depends on the type of dye that has clothes. There are some dyes which are not solid and it makes the load look old and, after two or three washes. If in doubt, try this solution to fix the color ...