Mea Chemical In Hair Color

The chemical formula for ammonia is nh 3.

Mea chemical in hair color. All permanent hair color needs a chemical alkalizer such as ammonia or mea monoethanolamine to open the cuticle so that the ingredients in the color formula can penetrate the hair shaft and create the desired shade. The hydrophobicity of the hair is possible thanks to the 18 mea lipid layer. The molecule is bifunctional containing both a primary amine and a primary alcohol ethanolamine is a colorless viscous liquid with an odor reminiscent of ammonia. Ammonia amp and mea all perform the same function.

Any plant based ammonia free dye is going to have mea in it. This horrible man made chemical will not only dry out your hair but studies are showing that prolonged use can lead to hair loss. Hair cosmetics may enhance hair hydrophobicity strengthen the cuticle and minimize electrical charges and friction forces. The ph of the hair color or lightener is far more important than the alkalizing agent.

1 3 tea is used as fragrance ph adjuster and emulsifying agent 4 5 when ethanolamines are used in the same product as certain preservatives that break down into nitrogen they can form nitrosamines. This is a link to an older article but i really appreciate the unbiased comparison between mea and ammonia in hair color. Its derivatives are widespread in nature. Hair damage caused by the use of chemical procedures can be minimized avoided or repaired by the correct use of hair care products.

Lightening hair requires a higher more alkaline ph and causes more damage than a deposit only hair color. There is some evidence that hair color products that substitute ammonia for mea leave behind some oxidative damage in fact up to 85 more by converting cystine into cysteic acid. How do various shades of mea based permanent haircolor perform. Because mea s reaction with peroxide is weaker and the molecule larger it is not as effective as ammonia peroxide at lifting natural color out of the hair or depositing color into the cortex of the hair.

Brown blonde red and for gray coverage of those shades. It is an adhesive type of chemical difficult to remove from the capillary fiber. Ethanolamine 2 aminoethanol monoethanolamine eta or mea is an organic chemical compound with the formula hoch 2 ch 2 nh 2 c 2 h 7 no. No hair color can be chemical free and still work.

Just remember your permanent wave chemistry. The best ammonia free hair color lines have added oleic acid derived from olive oil to safely remove any product left on the hair. Companies still standing by ammoniated hair color have used this aspect of mea as a way to denounce its effectiveness but have failed to realize one enormous detail. E g lipids as precursor of a variety of n.