Coal Tar

Coal tar is a substance commonly used in cosmetics that is derived from coal. It is known for its dark colour and strong odour. In cosmetics, coal tar is primarily used as a colourant.

Advantages:
Coal tar offers numerous benefits when used in cosmetics. Firstly, it is known for its excellent anti-inflammatory properties, making it an ideal ingredient for soothing and calming sensitive skin. Additionally, coal tar is highly effective in treating various skin conditions such as psoriasis, eczema, and dandruff. Its antifungal and antibacterial properties help combat fungal and bacterial infections, promoting a healthier scalp and skin. Moreover, coal tar is a potent exfoliant, aiding in the removal of dead skin cells and promoting a smoother complexion. Lastly, it acts as a natural sunscreen, protecting the skin from harmful UV rays. With all these advantages, coal tar proves to be a valuable ingredient in cosmetics.

Disadvantages:
Coal tar, commonly used in cosmetics, has several drawbacks that should be considered. Firstly, it is known to cause skin irritation and allergic reactions in some individuals. This can lead to discomfort and potential long-term damage to the skin. Secondly, coal tar has a strong and unpleasant odour, which can be off-putting for those using cosmetic products containing it. Additionally, coal tar is a byproduct of coal processing and its production contributes to environmental pollution. This raises concerns about the sustainability and eco-friendliness of using coal tar in cosmetics. Therefore, it is important to be aware of these disadvantages and consider alternative ingredients that are safer and more environmentally friendly.

Although coal tar is commonly used in cosmetics, it's important to consider its impact on skin and environment.

References:
https://www.cancer.gov/about-cancer/causes-prevention/risk/substances/coal-tar#:~:text=What%20is%20coal%20tar%3F,creosote%20and%20coal%2Dtar%20pitch.
https://go.drugbank.com/drugs/DB11082