Question: what ingredients are bad for the skin?
Answer: Parabens. Parabens are a whole family of chemicals (methylparabens, propylparabens, butylparabens, and ethylparabens) that help preserve shelf-life of products. ...  Phthalates. ...  Fragrance. ...  Sodium Lauryl Sulfate (SLS) and/or Sodium Laureth Sulfate (SLES) ...  BHT. ...  Retinyl palmitate and Retinol (aka, Vitamin A) ...  Lead. ...  Formaldehyde.