Ammonia is often used as an alkaline chemical ingredient of hair colors. It reacts with the developer chemical such as peroxide, which sends reaction to decolorize the hair permanently. This permanent color containing ammonia and peroxide enter the hair cortex through the root, thus, creating a change of color, which cannot be altered.
Non-permanent hair colors usually contain no ammonia. Semi-permanent colors do not have ammonia but contain a peroxide developer.  Such colors last for about 6 weeks only. Hair color gradually starts fading and hair turn back to the natural shade.

Permanent hair color is mostly used to hide the gray hair. Permanent hair color works by getting absorbed in an outer layer of the hair. Then the insoluble formula of the color gets absorbed and deposited by the middle layer of the hair

Bleaching with ammonia containing creams has an exceptional gas-releasing action by the discharge of carbon dioxide and ammonia. It rinses the clogged pores eliminating grease and grime from the skin. This phenomenon eases the breathing ability of the skin and thus, making it younger looking, tidy and glowing.

Bleaching ammonia should be taken strictly in the prescribed amount written on the label of the cream pack and that amount is one pinch only. It should not exceed at all because higher concentration leads to the burning effect on the skin.

Jewelry Cleaner & Tarnish Remover without ammonia is safer. Ammonia is used as a preservative formed by a reaction between carbon dioxide and ammonia. It is used in very little amounts to save some products from contamination. Many skin whiteners are prepared by adding toxic mercury such as mercury chloride or ammoniated mercury. It plays the role of an active ingredient in the skin whitening creams and lotions. Stains are also removed by pouring small amount of ammonia and then cleaning the cloth.

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