Barium is a chemical element that is commonly used in cosmetics. It is often found in products such as eyeshadows, blushes, and nail polishes. Barium compounds are used to create vibrant and long-lasting colours in these cosmetic products. Additionally, barium is known for its ability to provide a smooth and silky texture to makeup formulations. However, it is important to note that the use of barium in cosmetics is regulated to ensure its safety for consumers.

Advantages:
Firstly, it acts as a stabiliser, helping to maintain the consistency and texture of cosmetic products. This is particularly beneficial in creams and lotions, as it prevents them from separating or becoming too runny. Secondly, Barium is known for its opacifying properties, which means it can make products appear more opaque or white. This is especially useful in products like foundations and concealers, as it helps to create a smooth and even coverage. Lastly, Barium is also used as a pigment in cosmetics, providing vibrant and long-lasting colours to various makeup products such as eyeshadows and lipsticks.

Disadvantages:
It is important to note that barium compounds can be toxic if ingested or absorbed through the skin in large amounts. This can pose a health risk, especially if the cosmetics containing barium are used frequently or over a long period of time. Secondly, barium-based pigments may cause skin irritation or allergic reactions in some individuals, leading to discomfort or skin problems.

Conclusion:
Extensive research has shown that barium compounds, such as barium sulfate and barium carbonate, are commonly used in cosmetics as colourants and fillers. However, studies have indicated that prolonged exposure to barium can have adverse effects on human health. Barium has been linked to skin irritation, allergic reactions, and even more serious health issues when absorbed into the body.


References:
https://journals.sagepub.com/doi/10.1177/1091581818799346

https://www.ewg.org/skindeep/ingredients/700629-BARIUM_SULFATE/

https://www.cir-safety.org/sites/default/files/barium%20sulfate.pdf