1. Temporary Dye
Temporary dye using dip materials which is only coating the surface of your hair. The chemical attribute of temporary dye can be easily cleaned with shampoo a few times and not too risky.
2. Natural Dye
Most natural dye is made from plants, for example henna. This dye will be faded after several hair wash.
3. Semi-permanent dye
This dye has a very small molecules so that it can penetrate into the core of the hair (cortex) and cuticles. However,it is not change the pigment and it doesn't contain bleach, so it is quite safe to use.
4. Permanent dye
Permanent hair is more risky because the bleaching process which change the hair pigment. It can damage the hair cuticle and form scales if hair bleached too often. To reduce the damage, it is advisable not too often change the hair color. “Use a shampoo with a pH-balanced in order to help cuticle close to perfection, so that the color will last longer," advises dr. Christopher Gummer, Senior Research Fellow at P&G. Also use the conditioner because it can improve the nutrition of the hair, reduce the opaque and it can make your colored hair more beauty. So, do you want to dye your hair? Go ahead!
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