Question: what ingredients are bad in shampoo?
Answer: Ammonium Lauryl Sulfate or Sodium Laureth Sulfate (SLES) What are sulfates? ... 
Sodium Lauryl Sulfate (SLS) ... 
Parabens. ... 
Sodium Chloride. ... 
Polyethylene Glycols (PEG) ... 
Formaldehyde. ... 
Alcohol. ... 
Synthetic Fragrances.