How Does
How Does a Texturizer Make Hair Curly?
About
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Hair texturizers are a popular tool for people with extremely tight, curly hair. When applied under the advisement of a professional, the texturizer loosens the curl, but does not cause the hair to be straight. When applied to the hair, a texturizer works to break or loosen the chemical bonds in the hair (similar to the process by which applying heat via a hair straightener works on the hair, but with longer-lasting results).
Types of Texturizers
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There are three different active chemicals used in hair texturizers. Upon an assessment of the hair by a professional, the professional may determine which product to use.
Sodium hydroxide (lye) is used only on hair that has extremely tight curls, almost like coils. This is a very strong type of texturizer. Therefore, a petroleum jelly is often applied to the scalp before applying.
Calcium hydroxide (does not contain lye) is considered best for those who have a sensitive scalp, but may not work well on the tightest curls. A protective coating is applied to the scalp prior to application as well, and this type of application may be more drying than those that contain lye.
Ammonium thioglycolate is not recommended for the extremely tight curls, but may work well on shorter pieces of curly hair (curlies) or on more wavy hair. This chemical is applied after shampooing the hair.
Effects
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The longer a texturizer is left on the hair, the looser it makes the hair. However, due to the harsh nature of the chemicals, some texturizers cannot be left on the hair for an extended period. Therefore, a hairdresser may apply a texturizer once, and if looser curls are desired, apply an additional application at a later date.
The results are expected to last for an estimated 3 to 5 months. As new hair grows in, it will need to be re-texturized along with the hair whose chemical bonds restore over time.
eHow Article: How Does a Texturizer Make Hair Curly?
