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What is the real difference between permanent vs Semi-permanent hair colouring?

Both are not perfect 兩類都不完美


Permanent colour certainly affects the hair structure the most! In order to make the colour more “permanent”, it need to force open the cuticle and push the dye and other chemicals into the hair shaft. This option is most damaging but the colour lasts longest.


Semi-permanent used less harsh on hair than permanent. It will still open the hair cuticle to insert the colourant, but to a lesser extent. Though the colour will not last as long as permanent colouring。This option cause less damage to your hair.


Lastly is temporary colouring. Needless to say, this one is just depositing colours on top of the hair shaft. It would not cause structural change to the hair and is also the safest option. But it only lasts for a short time and likely easily washed away.


What is your choice?


永久的顏色肯定對頭髮結構的影響最大!為了使顏色更“持久”,它需要強行打開角質層並將染料和其他化學物質推入毛幹。此選項最具破壞性,但顏色持續時間最長。


半永久性對頭髮的刺激性不如永久性。它仍會打開頭髮角質層以加入著色劑,但程度較輕。雖然顏色不會像永久性染色那樣持久。這個選項對頭髮的傷害較小。


最後是暫時染色。不用說,這只是在頭髮山圖上顏色而已。它不會導致頭髮的結構變化,也是最安全的選擇。但它只持續很短的時間,很可能很容易被沖走。


你會選擇那種?





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