Safety Assessment of Amino Acid Alkyl Amides Used in Cosmetics

Amino acid alkyl amides are used as skin and hair conditioning agents and as surfactants—cleansing agents in personal care products.


The Cosmetic Ingredient Review Expert Panel reviewed the 115 such amino acid alkyl amides on the basis of their use in products and safety data. Lauroyl lysine and sodium lauroyl glutamate were approved for safe use in cosmetics, as per their skin irritation capability in the highest concentration. The Panel raised the issue of pesticide residues and heavy metals that may be present in botanical ingredients and stressed that the cosmetics industry should continue to use the necessary procedures to limit these impurities in the ingredient before blending into cosmetic formulations.


The Clean Label Project


Clean Label Project is a nonprofit set up in August 2018, focusing on transparency in ingredient labeling. The project released a new study about the ingredients we never noticed. They tested 134 of the top-rated protein powders in America for industrial and environmental contaminants and found that forty percent of them had high levels of BPA and heavy metals — like lead, mercury, cadmium, and arsenic.


All Organic Products and Heavy Metals


And it's not just protein powder. Heavy metals are now being found in USDA-certified organic foods, dietary supplements, etc., at shocking levels. Though USDA and FDA screen toxicity levels, none of them have set limits on heavy metals in food.


Consumers have been aware for over a century that the synthetic pesticides used in conventional farming leave heavy metal components in the soil. But nobody knows that the same toxins are present in organic soil. Additionally, consumers don't know that it's not just conventional farming methods that are an issue.


The Agency for Toxic Substances and Disease Registry states that fruit and food grains cause the most lead exposure in the population. A 2004 study revealed that if there is lead in the soil, it will be in every part of the crops that grow on that soil. According to the CDC, there is no safe blood level of lead for children. Low levels of lead can adversely affect a child's IQ, and high lead exposure during childhood can affect brain development even decades later, according to research.


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