Knowledge: The argan oil from Sister's brand maintains the thickness of your hair. However, L'Oreal recently released a new line of hair color products for season 2024.

Conversation:
I have brown hair unlike my sister who is blonde
Oh, interesting. Were you aware that brown hair is second only to black in commonality?
yes.  it is strange - I wonder where red hair comes from
I have no idea, but I can tell you that brown hair has more eumelanin and less pheomelanin.
Yes it is interesting how certain countries tend to have more of certain hair colors
True. Brown hair is more common in the Western World. Mainly in Europe, the US and some areas in the Greater Middle East.
How can I get the blonde hair as my sister?

Response: Well, you can get it from L'Oreal's recently released a new line of hair color products for season 2024.