Definitely don't make your decision based on my experience! that would be the blind leading the blind.
When you say you don't wash your hair but once a week do you just get it wet? Straight I can easily go a week. Curly my hair would look like a rat's nest. But daily conditioning is proving to be too much also.
CG since 2011

Hair Type:
2b/c(top layer) 2c/3a (under layers)
Porosity: Low
Density: High
Width: Fine on top/Medium underneath

blonde hi-lights

Products & process:
(still figuring this out!!)

Trader Joe's Mint Tea Shampoo every 3/4 days
Trader Joe's Nourishing Conditioner
Deva One Condition LI or Shea Moisture LI
Herbal Essences Totally Twisted Curl Creame
Plop about 20 minutes
Clip roots
Air Dry

Lavender Mist as needed to revive curls
Pineapple at night