Beauty Products

Q: I got to know that using dying creams is permissible if dyes are porous, but their is no indication on dying creams available in the market as to whether they are porous are not. How can I ensure whether my wudhu is valid or not?

Q: As soap undergoes transformation during its preparation so it is permissible to use any kind of soap in the similar way can you tell me other things which undergo transformation and can be used no matter what sources are used for it? Can any kind of shampoos be used even if they are made from non zabiha animals or pork and can we use any kind of antiperspirants.

Q: I would like to know whether teeth whitening/bleaching is allowed?

Q: Is it permissible to use whitening creams?

Q: Is using beer shampoo haram if it is not alcoholic?

Q: I have heard of a spray that is called "Miracle Magnesium" which I believe is very effective with all sorts of pain in joints, etc. This is extracted from the dead sea. Will this be permissible to use? What is the Islamic ruling on using products from the dead sea?

Q: Is products (like beauty creams) that are highly probable to have haram animal constituents considered najas? 

Q: Can ointments, creams, and soaps containing crocodile oil and crocodile fat be used on the skin for medical purposes?

Q: I use moisturising cream before performing salaah. The cream contains a variety of chemicals including alcohol. If I don't use the cream my skin feels ichy and dry. Am I allowed to use it?

Q: Are we allowed to apply perfumed creams with alcohol or cetearyl alcohol or alcohol denate?