People shouldn't be wasteful by using redundant products.
Joanne is at the store examining various hair products.
Joanne wants to have nice hair.
Joanne looks up reviews on the internet before deciding to make her own hair mask.
Joanne buys half of the different types of hair products.
Joanne's hair feels soft and smooth for the rest of the week.
Joanne is stuck with a bunch of products that do the same thing.