A list of hair products has been compiled, with some outlets focusing on hair oils for shine and frizz control, while others discuss leave-in conditioners, hair growth serums, or shampoos for similar benefits. The products were tested on different hair types, with some outlets reporting on their effectiveness for specific hair concerns, such as gray hair or curly hair. The number of recommended products varies across outlets, ranging from 8 to 19, with some also considering factors like price and ability to make hair look expensive.