Carotenoids

1. Definition Carotenoids:

Carotenoids are organic pigments that are naturally found in fruits, vegetables, and other plants. They are responsible for the vibrant red, orange, and yellow colors in these foods.

2. Use:

Carotenoids are commonly used in cosmetics for their antioxidant properties and ability to protect the skin from UV damage. They can help improve skin tone, reduce the appearance of fine lines and wrinkles, and promote a healthy, glowing complexion.

3. Usage Carotenoids:

When using cosmetics containing carotenoids, it is important to follow the manufacturer's instructions carefully. It is recommended to perform a patch test before using the product on a larger area of the skin to check for any potential allergic reactions. Additionally, it is advisable to use sunscreen in conjunction with carotenoid-containing products to provide additional protection against UV rays.

4. References:

- Rao, A.V. and Rao, L.G. "Carotenoids and human health." Pharmacological research, 55(3), 207-216.

- Stahl, W. and Sies, H. "Bioactivity and protective effects of natural carotenoids." Biochimica et Biophysica Acta (BBA)-Molecular and Cell Biology of Lipids, 1740(2), 101-107.

- Darvin, M.E. et al. "In vivo Raman spectroscopic analysis of the influence of carotenoids on the antioxidative status of the skin." Experimental dermatology, 22(2), 147-151.