One time I compared the ingriedients on the John Frieda straight and the curly shampoo/conditioners and the ingriedients were virtually the same. Let me find them and post them...
ETA:
John Frieda Curly Shampoo
Water , Sodium Laureth Sulfate , Sodium Lauryl Sulfate , Glycol Distearate , Dimethicone , Cetyl Alcohol , Betaine , Laureth-23 , Laureth-3 , Cocamide MEA , Polyquaternium-47 , Jojoba Oil , Tocopheryl Acetate , Glycine , Cocamidopropyl Betaine , Sodium Hydroxide , Methylchloroisothiazolinone , Methylisothiazolinone , Sodium Xylenesulfonate , Malic Acid , Benzyl Alcohol , Guar Hydroxypropyltrimonium Chloride , Sodium Chloride , Disodiium EDTA , Fragrance
JF Straight Shampoo
Water , Sodium Laureth Sulfate , Sodium Lauryl Sulfate , Glycol Distearate , Cocamidopropyl Betaine , Dimethicone , Cetyl Alcohol , Betaine , Laureth-23 , Laureth-3 , Simmondsia Chinensis Seed Oil Jojoba , Polyquaternium-7 , Cocamide MEA , Glyceryl Oleate , Tocopheryl Acetate , Glycine , Sodium Hydroxide , Methylchlorothiazolinone , Methylisothiazolinone , Sodium Xylenesulfonate , Malic Acid , Benzyl Alcohol , Guar Hydroxypropyltrimonium Chloride , Sodium Chloride , Disodiium EDTA , Fragrance
Curly conditioner
Water , Cetearyl Alcohol , Glycerine , Behentrimonium Chloride , Cetyl Esters , Cyclopentasiloxane , Jojoba Seed Oil , Tocopherol Acetate , Malic Acid , Dimethiconol , Polyquaternium-47 , Benzyl Alcohol , Methylchloroisothiazolinone , Methylisothiazolinone , Sodium Citrate , Glycine , Fragrance
Straight conditioner
Water , Cetearyl Alcohol , Glycerin , Behentrimonium Chloride , Cetyl Esters , Cyclopentasiloxane , Simmondsia Chinensis Seed Oil Jojoba , Tocopherol Acetate , Malic Acid , Dimethiconol , Polyquaternium-7 , Benzyl Alcohol , Methylchloroisothiazolinone , Methylisothiazolinone , Sodium Citrate , Glycine , Fragrance
Those ingriedients are just too similiar to me to make a differnce style wise.