Amino acid molecules are made of four main elements. You may remember them from science class: carbon, hydrogen, oxygen, and nitrogen. These elements form the same amino acid structure.

Sugar-derived polymers from plants remove these metals but often require other substances to adjust their stability or solubility in ... and then a little bit of acid releases the heavy metal ...

Beta hydroxy acid works mainly as an exfoliant. It causes the cells of the epidermis (the outermost layer of the skin) to become "unglued," allowing the dead skin cells to slough off, making room for ...

延胡索酸（Fumaric Acid），又名富马酸、紫堇酸或地衣酸，是一种由丁烯衍生出的羧酸，其化学式为C4H4O4。这种物质最早从延胡索中发现，也存在于多种蘑菇和新鲜牛肉中，具有水果气味。在食品工业中，延胡索酸主要用作酸度调节剂、酸化剂、抗氧化助剂、腌制 ...

Pentaform's idea involves making both the housing of an electronic product and its circuit board from a type of biodegradable and fully water-soluble plastic that the company is calling Aquafade.

Citric acid is an organic compound found in high amounts in citrus fruits, and may help improve skin health and protect against kidney stones and inflammation. Some also believe it can help your body ...