More than two years ago, the media disclosed that baby shampoo produced by Johnson & Johnson, the world's largest health care product manufacturer, was found to contain carcinogenic substances. Netizens dubbed it a "carcinogenic door." Recently, shampoos sold by Johnson & Johnson in China, Hong Kong, and other regions have been repeatedly criticized by netizens for their lack of improvement in formula.
The reason why Johnson & Johnson shampoo has "carcinogenic door" is because its formula contains quaternary ammonium salt -15, quaternary ammonium salt -15 is a widely used preservative in sanitary products and cosmetics, but it is a highly toxic chemical substance, It has a chlorinated olefin structure at one end and a **** structure at the other end, which is less toxic than the monomer (small molecule) but higher than the polymer. Under harsh conditions (such as high temperatures), harmful carcinogenic gases such as formaldehyde may be released. Acute toxicity studies in rats have confirmed that under certain dose conditions, they have irritating and sensitizing effects on the skin of experimental animals. The World Health Organization, the National Cancer Institute and the National Toxic Drug Administration of the United States have determined that quaternary ammonium salt-15 and formaldehyde are potential allergens and can cause dermatitis such as skin rashes.
Preservatives are an indispensable ingredient in sanitary products and cosmetics, but quaternary ammonium salt -15 as the main material for preservation is really irreplaceable? In fact, researchers have recently discovered a new non-toxic and harmless antiseptic material, cinnamaldehyde. Cinnamaldehyde has a great bactericidal antiseptic effect. Japanese medical experts have found that cinnamaldehyde has a significant effect on fungi. Studies on cinnamaldehyde antifungal effects of 22 conditional pathogenic fungi showed that cinnamaldehyde is an antifungal active substance. Mainly through the destruction of the fungal cell wall, so that the drug infiltrated into the fungal cells, the destruction of organelles and play a bactericidal effect. Cinnamaldehyde not only has a strong bactericidal anti-corrosion effect, but what is more commendable is that it does not produce any toxic side effects to the human body.
The reason why Johnson & Johnson shampoo has "carcinogenic door" is because its formula contains quaternary ammonium salt -15, quaternary ammonium salt -15 is a widely used preservative in sanitary products and cosmetics, but it is a highly toxic chemical substance, It has a chlorinated olefin structure at one end and a **** structure at the other end, which is less toxic than the monomer (small molecule) but higher than the polymer. Under harsh conditions (such as high temperatures), harmful carcinogenic gases such as formaldehyde may be released. Acute toxicity studies in rats have confirmed that under certain dose conditions, they have irritating and sensitizing effects on the skin of experimental animals. The World Health Organization, the National Cancer Institute and the National Toxic Drug Administration of the United States have determined that quaternary ammonium salt-15 and formaldehyde are potential allergens and can cause dermatitis such as skin rashes.
Preservatives are an indispensable ingredient in sanitary products and cosmetics, but quaternary ammonium salt -15 as the main material for preservation is really irreplaceable? In fact, researchers have recently discovered a new non-toxic and harmless antiseptic material, cinnamaldehyde. Cinnamaldehyde has a great bactericidal antiseptic effect. Japanese medical experts have found that cinnamaldehyde has a significant effect on fungi. Studies on cinnamaldehyde antifungal effects of 22 conditional pathogenic fungi showed that cinnamaldehyde is an antifungal active substance. Mainly through the destruction of the fungal cell wall, so that the drug infiltrated into the fungal cells, the destruction of organelles and play a bactericidal effect. Cinnamaldehyde not only has a strong bactericidal anti-corrosion effect, but what is more commendable is that it does not produce any toxic side effects to the human body.
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