To just try a new color, you can use the coloring shampoo, because in case of failure paint can be simply washed off. It should be borne in mind that the color of tonic should not be very different from your own, otherwise the paint will simply not be noticeable.
Before the dye hair, look in the mirror and enjoy all the features of your appearance - the color of the skin, eyes, etc. Warm tones colors have a feature to attach the face blush, so if your skin already has a pink hue or you are prone to frequent redness or allergic reactions, it is better to give preference to brown or light tones. In order to emphasize the gray or blue tones, also best to choose shades of blond, but for owners of brown or green eyes suit red color.
Professionals share all types of appearance on "warm" and "cold". If you have a somewhat dark skin, dark eyes and hair - your type of "warm". In this case, suitable tints bronze and caramel, which should be slightly darker than the skin. Avoid black, because it has especially older and emphasize even small wrinkles. Too bright colors girls "warm" type also choose not recommended.
If you have fair skin, eyes and hair - you are a representative of the "cold" type. You come shades of blond and gray color. When choosing colors in the store should not be guided only by the pictures on the package. Most often, there are shown only three shades - dark, medium and light. It is better to use special color catalog, which will provide you with the seller. Be careful - the exact same color as in the catalog, you can get only after bleaching the hair, so you should take into account your natural shade.
If you decide to change and dye my hair for the first time, be careful when choosing colors, do not buy the color is radically different from your natural hair. If your experiment nevertheless was unsuccessful, contact the professionals, they will be able to correct the color of your hair without damaging them.