But while some shampoos include damaging ingredients, conditioner has come a long way since its invention in 1900.
PerHairStory, conditioner was created by Edouard Pinaud, and was originally used to soften facial hair.
But how well does conditioner work as a cleansing agent when it’s used by itself?

However, this technique is not for everyone.
For example, fine or oily hair is not a good fit for co-washing, according to Servera.
With all that conditioner, some co-washers were initially concerned about the potential for greasy hair.

Fortunately, these cleansing conditioners are intended to clean hair and reduce scalp oiliness.
Once things are running smoothly,Mane Addictssuggests co-washing once or twice per week.
For a deeper clean, try shampooing every other week.