I know what SHAMPOO is for, but what is CONDITIONER for?

conditioner helps your hair to soften and make it shin and keep it so it keeps moisture in and wont dry out in the heat , it also lessens tangles that may happen with shampoo.I know what SHAMPOO is for, but what is CONDITIONER for?
Conditioner is to moisturize your hair and to replace your natural hair oils.I know what SHAMPOO is for, but what is CONDITIONER for?
conditioner chemcially removes all remaining detergent (shampoo) from your hair and returns it to a normal ph
CONDITIONER is for taking out tangles in your hair and making it smoother
Putting the nutrient back into your hair that the daily elements and harsh conditions of pollution remove. Of course this is if you use a quality conditioner.
To make it soft and keep it from breaking
Conditioner adds oils. Moisturizes Scalp. Makes split ends stick together. Adds shine.
Shampoo cleanses and a conditioner softens and adds sheen/shine.
Try washing your hair without conditioner and you'll know what conditioner does.