Question: what ingredients are bad in dog shampoo?
Answer:  SULFATES- Typically these go by the names – Sodium Lauryl Sulfate, Sodium Laureth Sulfate, or Ammonium Laureth Sulfate. ... 
 ARTIFICIAL FRAGRANCES & PHTHALATES- ... 
 ARTIFICAL DYES OR COLORANTS: ... 
 MINERAL OILS. ... 
 PARABENS. ... 
 ISOTHIAZOLINONES.