I don't. I found a conditioner that doesn't build up and rinses clean with my co-wash.
If I try a new product that builds up, I just borrow a bit of whatever sulfate shampoo my roommate is using. She's a curly, so it's usually pretty gentle.
3C/Fine to Medium/Low Porosity/High Density/Protein Sensitive
Trying to grow my hair long and healthy from pixie length so:
No heat tools
No heavy oils
Zero dyes or chemical treatments of any kind!
CJ Gentle Cleansing Shampoo
DB Pumpkin Seed Curl Moisturizing Conditioner
CJ Curl Assurance Smoothing Lotion