![]() ![]() ![]() ![]() Their formulation is complicated, and manufacturers go to great lengths to attain long-lasting colour that does minimal damage to the strength and elasticity of your hair. There is a broader range of permanent colour, and these colour shades are often more natural-looking. Permanent dyes don't have to be applied as often as semi-permanent or temporary colours because of they last longer. This may damage the hair cuticle and degrade the hair's structural integrity, however, provides the best colour result. The job of ammonia is to bust through the hair cuticle to deposit colour. For example, an oxidiser (such as hydrogen peroxide) and ammonia are mixed with the colouring agent before application. Permanent Hair dyes use the oxidation process. Temporary colours are also available in spray formulations. Temporary dyes fade with shampooing and exposure to air. Because temporary colours don’t contain bleach, they can't lighten your natural shade. Temporary hair dyes last for about six weeks and tend to fade progressively. You can use semi-permanent dyes straight from the box as they don't have to be pre-mixed. Semi-permanent or temporary hair colour gives you more natural colour and is also easier to use. It's not possible to make your hair a lighter shade without the help of a bleaching agent. Very bleached hair often gains a yellow tint, because keratin (the protein your hair is made of) is naturally a pale yellow. "Oxidation decolourises the pigment in your hair shaft, which is why bleach will turn your hair almost white if it's left on for too long. In this article, we are going to look at the different types of hair dyes and how bleach works too!īleach/highlights contain chemicals that remove the colour from your hair by the process of oxidation. But not everyone knows what products are suitable for their hair or what these products do We love getting our hair coloured or lightened. ![]()
0 Comments
Leave a Reply. |