Formaldehyde Resin is a substance commonly used in cosmetics for its adhesive properties. It is derived from formaldehyde, a colourless gas with a strong odour. However, unlike formaldehyde, formaldehyde resin is considered to be less volatile and less likely to cause irritation or sensitization. In cosmetics, it is often used as a binding agent in nail polishes, hair products, and some skincare products. It helps to improve the durability and longevity of these products, ensuring that they adhere well to the skin or nails.

Advantages :
Firstly, it acts as a preservative, helping to extend the shelf life of cosmetic products by preventing the growth of bacteria and fungi. This ensures that the products remain safe and effective for a longer period of time. Secondly, Formaldehyde Resin enhances the durability and stability of cosmetics, making them less likely to break or deteriorate. This is particularly beneficial for products such as nail polishes and hair sprays that need to withstand daily use. Lastly, Formaldehyde Resin can also improve the texture and consistency of cosmetics, providing a smooth and luxurious feel when applied to the skin or hair.

Disadvantages:
It can be a potential allergen, causing skin irritation and allergic reactions in some individuals. Secondly, it has been linked to respiratory issues when inhaled, which can be particularly concerning for those with asthma or other respiratory conditions. Additionally, formaldehyde resin is known to be a sensitizer, meaning that repeated exposure can lead to an increased risk of developing allergies over time. Lastly, there are concerns about its potential carcinogenic properties, although more research is needed to fully understand the extent of this risk.

Conclusion:
Formaldehyde Resin is a common ingredient used in nail polishes, hair products, and skincare items to improve their durability and adhesion. However, studies have shown that prolonged exposure to Formaldehyde Resin can cause skin irritation, allergic reactions, and even respiratory issues. Additionally, it is classified as a potential carcinogen by various health organisations.


References:
https://www.sciencedirect.com/topics/engineering/formaldehyde-resin
https://www.xometry.com/resources/materials/phenol-formaldehyde-resin/