Cationic surfactants are amphiphilic compounds that can be separated in water by forming active surface cations. These molecules have an assembly capacity that is widely used in biotechnology. It can be expected that the cationic charge of amphiphilic molecules plays an important role in biotechnological applications and the huge potential of cationic amphiphilic agents as drug carriers in pharmaceuticals and biology.
Cationic surfactants have a positive charge and are not effective as detergents in cleaning systems. Because the level of skin and hair in the “use” pH is negatively charged. As a result, cations are particularly attached to the hair fibers and are not effectively removed during the washing process. This can lead to increased skin irritation and excessive hair loss.
Many cationic surfactants are irritating to the skin, because those bind to the creatine with their hydrophobic heads on the surface, making the creatine surface more hydrophobic. This hydrophobicity on the surface of the hair increases the attractiveness of the surface for oily fats (hydrophobic) and removing them makes it more difficult to increase the tendency to accumulate.
The main advantages of cationic surfactants are the structural diversity of their head groups, which allows for chemical modification and semi-optimal introduction to meet the green chemistry criteria. Cationic surfactants are compatible with Nonionic surfactants, but due to their positive charge, most of them cannot be used in the presence of anions. Cationic surfactants have a wide range of applications in industrial sectors such as bitumen emulsifiers due to their compatibility with a wide range of aggregates, general emulsion and dispersion technology, emollients and anti-static additives in textiles, surface anti-statics, etc.
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