Silicone is a popular cosmetic ingredient often found in hair care and makeup.

Advantages :
Silicone is proven to directly moisturise skin, smoothen hair and give makeup that ‘slip needed to apply product.

Disadvantages:
There is a potential they can clog pores, irritate skin and they are not biodegradable.

Conclusion:
Generally silicones are safe for use, however the environmental impact cannot be disregarded.


References:
https://simplygonatural.com/blogs/news/embracing-the-benefits-of-silicone-free-cosmetic-products#:~:text=Silicone%2Dfree%20cosmetics%20work%20in,cause%20all%20these%20adverse%20effects.
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9545630/