Give up the pics lol!!! we would love to see your beautiful hair! I love cowashing because I work out everyday and the moisture it provides is awesome!!!
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When I cowash I have to clarify every so often to get rid of the eventual buildup. You can do that naturally or with a shampoo of your choice. I use cone free conditioners to cowash (giovanni, tresemme naturals being my fav. Others use VO5 or suave but they don't give enough slip for me).
The cons for me of cowashing would be too much detangling and manipulations as well as buildup. However the added moisture outways that to me. I don't cowash everyday so you'll have to find a frequency that fits you best.