What is a Semi-permanent hair dye? A semi-permanent hair dye is
one of the three primary hair type colorants, that is basically
formulated to deposit color in the shaft of the hair without having
to actually lighten the hair. Unlike the permanent hair dye, the
semi-permanent hair dye does away the use of a developer as this
hair dye solution may only use heat for penetration of the hair
color. This implies that without any prior mixing the liquid, get
or aerosol foams may be directly applied to the hair. Some forms
of semi-permanent hair colorant include gels, lotions, and mousses.
In most cases, while formulating semi-permanent dyes, other components
like solvents, surfactants, hair thickeners, and alkalizing agents
Often, a semi-permanent hair dye is used in covering gray hair or is used in getting that new vibrant look. This type of hair colorants adds color to the hair without affecting the natural melanin that exists in the fiber.
As the name states, the semi-permanent hair dye colors may only last after up to eight to fourteen shampoo applications. If you want your hair color to stay over time, you may try to avoid more exposure to environments that may hasten the effect of the semi-permanent hair dye color. You may also do frequent washing of your hair.
The application of the semi-permanent hair dye can be done on wet and shampooed hair. Before rinsing the hair dye off, leave the mixture on your hair for about 10 to 40 minutes. This way, the color seeps in as necessary. Among all the semi-permanent hair colorants available the red shades may be observed as the quickest to drab once your hair has had a few washes.
Also remember that using semi-permanents with additional highlights will enhance your hair style. The utilization of other color tones can be done consecutively without having to cause any damage in your hair’s appearance.