Hi Harishvenis,
You will find a lot of great content here on the Cosmetics site that should give you the information you're looking for. You can search the forum for any topic in the "search" field found at the top, left of your screen. There are also many articles on a lot of different products, as well as advice on the application of those products on the Cosmetics site. To start, you can look through the subjects list on the left side of the Cosmetics site screen. Choose an area that interests you. When you click the link, a list of articles will appear and you can start reading.
If you have any questions, please let me know! Thank you for visiting the Cosmetics forum!