Urea

It is a natural compound found in the human body and is also synthesised in laboratories. In cosmetics, urea acts as a humectant, which means it helps to retain moisture in the skin. This makes it an excellent ingredient for moisturisers and creams, as it helps to hydrate and soften the skin. Additionally, urea has exfoliating properties, which means it can help to remove dead skin cells and promote cell turnover. This can result in smoother, more radiant skin.

Advantages :
Firstly, it acts as a powerful humectant, attracting and retaining moisture in the skin, which helps to hydrate and soften the skin. This makes it particularly beneficial for individuals with dry or dehydrated skin. Additionally, urea has exfoliating properties, gently removing dead skin cells and promoting cell turnover, resulting in a smoother and more radiant complexion. Furthermore, it has antimicrobial properties, making it effective in preventing and treating acne and other skin infections. Lastly, urea can enhance the penetration of other active ingredients in cosmetic formulations, allowing them to work more effectively.

Disadvantages:
Some individuals may be sensitive or allergic to urea, which can lead to skin irritation or other adverse reactions. Secondly, urea has the potential to increase the skin's sensitivity to the sun, making it more prone to sunburn. Additionally, urea can have a drying effect on the skin if used in high concentrations or without proper moisturization.

Conclusion:
Urea, a compound naturally found in the human body, has been utilised in skincare products for its moisturising and exfoliating properties. However, concerns have been raised regarding its potential to cause skin irritation or allergic reactions in some individuals. Therefore, it is crucial to conduct further research and gather more data to make an informed decision about the safety and efficacy of urea in cosmetics.


References:
https://www.cosmeticsinfo.org/ingredient/urea/
https://cosmileeurope.eu/inci/detail/16737/urea/