Firefox has a good point, it's possible you're allergic to something that's in your co-wash but not in the low-poo. Fragrance and preservatives play a big role in what I can and can't use due to skin allergies.
2A / F / MD / LP / ?E / BSL --- CG since Dec. 2012

This is what I'm happiest with right now.
Co-wash: CJ DailyFix
Lo-poo: DermOrganic low-poo
RO: SS Caitlin's co
Leave-in: SheScentIt Okra Repair condish
PT: SS Caitlin's + SS PT
Stylers: Volumax Mega Gel, Max Green Styling Gel, DermOrganics Spray Gel
Techniques: Plopping & Pixie Diffusing.
glycerin, honey, oils & butters Protein!