Not sure how color safe it is, but Trader Joe's Tea Tree Tingle shampoo is sulfate and silicone free and is $2 or 3 per bottle
__________________

Bra strap-length 2C/3A
Shampoo - TJ Tea Tree Tingle Shampoo
Co-wash - Alberto V05
RO/LI - Herbal Essences Hello Hydration
Styler: SM Curl Enhancing Smoothie, Coconut Oil
Gel: GF Pure Clean
Trying out Mod CG at least until I'm out of HE conditioner!