Aluminum salts and active aluminum complexes are commonly used ingredients in cosmetics. These substances are derived from aluminum and are added to cosmetic products for various purposes. They are primarily used as antiperspirants, helping to reduce sweat production and control body odour. Additionally, aluminum salts and active aluminum complexes can also act as astringents, helping to tighten and tone the skin. They are often found in deodorants, antiperspirants, and skincare products, providing effective and long-lasting benefits. It is important to note that these ingredients have been extensively studied and deemed safe for use in cosmetics by regulatory authorities.

Advantages:
Firstly, they act as effective antiperspirants, reducing sweat production and keeping the underarms dry. This is particularly useful for individuals who experience excessive sweating. Secondly, these compounds have astringent properties, which help to tighten and tone the skin, reducing the appearance of pores and giving a smoother complexion. Additionally, aluminum salts and complexes possess antimicrobial properties, inhibiting the growth of bacteria on the skin and preventing body odour. Lastly, they are known for their ability to stabilise and enhance the effectiveness of other ingredients in cosmetic formulations, ensuring a longer shelf life and improved product performance.

Disadvantages:
Firstly, these compounds have been linked to potential health concerns, such as skin irritation and allergic reactions. Some individuals may experience redness, itching, or even rashes when exposed to products containing aluminum salts. Secondly, there is a concern about the absorption of aluminum into the body. Although the exact extent of absorption is still under investigation, it is believed that prolonged use of cosmetics with aluminum compounds may lead to the accumulation of aluminum in the body, which could potentially have adverse effects. Lastly, aluminum salts and active aluminum complexes are known to cause discoloration in certain cosmetic formulations, which can be undesirable for consumers.

Although, Aluminum Salts and active aluminum complexes are common, it's important to consider their effects on human health.



References:
https://health.ec.europa.eu/system/files/2021-11/sccs_o_235.pdf