Hmmm...I won't be able to give you suggestions about products that pump up the volume because I don't have a problem with volume, but below are some of the products I have used for moisture:

Jessicurl Weekly Treatment
Aubrey Organics Island Conditioner
Curl Junkie Rehab Treatment
Curl Junkie Hibiscus and Banana Deep Fix Conditioner
EO Lavender and Aloe Conditioner
Mixed Chicks Deep Conditioner (not CG, but does moisturize the hair)
Mod CG-Naturally Highly Porous and Dry
This list is not exhaustive...
Pre-treatment: Creamed Coconut/Elucence MBC
DT: various
Leave-in:Crece Pelo,Honey Baby Detangler
Stylers:Ouidad Curl Immersion Hi-Defining Custard
Refresher: CURLS Lavish Moisturizer
*experimenting and loving it!