Using Semi Permanent Hair Color On Dyed Hair
This type of color washes out after about 2 weeks of shampooing making it a great way to mask your gray until it s fully grown out.
Using semi permanent hair color on dyed hair. Semi permanent dyes disappear three weeks after applying them because they don t contain any chemical products like ammonia or peroxide. Instead of penetrating the core of the hair semi permanent coat the hair s surface and wash out over time. If you are worried about the color difference at your roots consider applying a semi or demi permanent hair color to that area.
Polyester fiber has a different structure so the dye just won t stay on it. It s still best to check with a professional hair stylist to see if your hair type and current color is suitable for semi permanent options but this. First the cuticle of the hair is opened up using ammonia or bleach and then the colour is deposited inside the hair shaft.
This creates an easy on easy off solution that can be mixed to create various colors and shades. If you re interested in being a little more adventurous with your look semi permanent hair dye may be right for you. In addition to being safer and easier to use semi permanent dyes also come in a greater variety of bright bold colors.
The ammonia free hair dye changes the hair color by filling the pores between the cuticles of the hair. Depending on the dye you buy semi permanent hair color can last anywhere between 4 and 12 washes fading gradually. Another option is to use a semi permanent color remover like this one by colour b4 amazon link which is a great option to strip down black and red dye which are both extremely difficult to get out of your hair without ending up with a lot of broken strands or leaving behind that awful brassiness.
Use semi permanent color remover for red and dark colors. If you have grays but are strapped for time and can t make it to the salon for a permanent touch up semi permanent hair color might be a good option to hold you over. Due to the fact that semi permanent hair colors don t contain any bleach or ammonia inside the formula it s a lot safer to use than permanent dyes even with permed or previously dyed hair.
What makes semi permanent hair dye different to other types of hair colour. Anyway if you decide to try to refresh the color of the extensions with the semi permanent dye try it first on a small strand to get the idea of the possible. Semi permanent hair dye is meant for short term hair color changes.
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