Jul 8, 2010

Henna and your Hair pt 2.

I was asked how was henna damaging to your hair, when it seems to be our only natural "permanent" alternative to coloring our hair:
henna products can contain hidden chemical impurities including metal salts like lead acetate, which can react poorly when used on hair that was previously colored with mainstream hair dyes and bleaches
 To determine if hair has been colored by a metallic dye, mix 1 oz. of 20-volume peroxide with 20 drops of 28% ammonia. Submerge 20 strands of hair in the solution and let it sit at room temperature for about 30 minutes. If the hair lightens rapidly, the hair contains lead. If there is no reaction after 30 minutes, the hair contains silver or bismuth. If the solution starts to boil and emits a foul odor, the hair contains copper. Hair that has no metallic salts on it should lighten only very slightly.
- Source 

A metallic salt will coat your hair similar to your conditioner, but will a lot harder to remove and often contains chemical stripping. Chemical stripping is normally done by salons and can be extremely pricey and overall damaging to your hair. the safest removal method is to grow your hair out and slowly trim or BC. Metallic salts are not only present in artificial dyes such as henna, but also in most dyes that are available in local grocery stores. Be sure to read the label before purchasing ANYTHING that may contain metallic salts.

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