Aluminium salts are commonly used in cosmetics for their astringent properties. These salts, such as aluminium chloride or aluminium sulfate, help to tighten the skin and reduce excess oil production.

Advantages:
Firstly, they act as effective antiperspirants, helping to reduce sweat production and control body odour. This makes them a popular ingredient in deodorants and antiperspirant products. Additionally, aluminum salts have astringent properties, which can help to tighten and tone the skin. This makes them useful in skincare products such as toners and facial masks. Furthermore, aluminum salts can also act as stabilisers, helping to maintain the consistency and shelf life of cosmetic formulations.

Disadvantages:
They can cause skin irritation and allergic reactions in some individuals. This can lead to redness, itching, and discomfort on the skin. Secondly, there are concerns about the potential link between aluminum salts and certain health issues, such as breast cancer and Alzheimer's disease. While more research is needed to establish a definitive connection, these concerns have raised caution among consumers. Lastly, aluminum salts can also stain clothing and fabrics, which can be frustrating for users.

Conclusion:
Aluminum salts have been extensively studied for their various applications in industries such as pharmaceuticals, cosmetics, and water treatment. These salts, including aluminum chloride, aluminum sulfate, and aluminum hydroxide, have shown promising results in their ability to act as coagulants, antiperspirants, and adjuvants in vaccines.


References:
https://pubmed.ncbi.nlm.nih.gov/34396567/