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To bleach or not to bleach?Learn more about hair dyeing
Have you noticed that there are more and more people on the street with hair of various colors, and hair dyeing has become a trend in today's society.If you want to pursue individuality, changing your hair color, such as dyeing it white, blonde, light blue... is indeed a manifestation of fashion.If your hair is originally black or brown and you want to dye it into these lighter shades, it will be difficult to achieve these effects using hair dye alone. You must first bleach your hair.So do you know about hair bleaching?Let’s take a look at the Economic Daily-China Economic Network Life Channel.Hair color The pigment content and color depth of everyone's hair are different. In order to facilitate the differentiation of hair color when dyeing, hair is divided into 10 shades from dark to light. The smaller the number, the more melanin it contains, the darker the color. Vice versa. The higher the number, the less melanin it contains and the lighter the color.Chinese hair is generally 1-3 degrees. Under normal circumstances, colors within 6 degrees on the color palette can be dyed directly without bleaching.How does bleach bleach hair? The two most widely used hair bleach ingredients are ammonia and hydrogen peroxide.Bleach dyes hair by opening the hair cuticle and dissolving melanin. The longer it is left on, the more keratin in the hair is destroyed.How long does it take to bleach hair before dyeing it? The first thing you need to understand is that bleaching is not a process that works for everyone.How long you leave bleach on your hair depends on many factors, such as your hair color and texture.Black hair: 30 minutes Fine hair: 10 to 15 minutes, this type of hair processes faster because the cuticle is thinner Coarse hair: 30 minutes, this type of hair may require at least two applications Impact bleach application time Other factors include the color you want and whether your hair has been dyed before.What will happen if you leave bleach on your hair for too long? The longer you use bleach, the better the effect. The longest time you can leave bleach on your hair is 30 minutes.Any longer than this and you run the risk of serious damage to your hair.If bleach is left on your hair for too long, it may lose all of its pigment and turn white because the oxidation process decolorizes the pigment.Hair will become more brittle and less able to retain moisture.Hair becomes noticeably weaker after bleaching, and even the skin that the bleach came in contact with can be affected.Bleach makes hair more porous, making it difficult for hair strands to retain moisture and potentially causing irreversible damage to the hair shaft.Hair will also lose keratin due to bleaching, and the hair structure will be damaged, becoming brittle and difficult to style.During the bleaching process, the loss of keratin is difficult to avoid.Complete a patch test before bleaching your hair yourself: Before dyeing your hair at home, do a patch test first, as you may have allergies you're not aware of.Testing your hair beforehand can also determine if your hair has been damaged by bleaching.Read the instructions carefully: When using bleach, be sure to read the instructions carefully and follow them.Consider your hair type: Some hair types simply don't stand up to the effects of bleach.Avoid bleaching hair that has been straightened or chemically treated.Source: Economic Daily-China Economic Net
