Question: what ingredients are bad for acne prone skin?
Answer:  Sodium Lauryl Sulfate: Sodium Lauryl Sulfate, also known as SLS, is a foaming agent. ... 
 Silicones: Silicones are often found in products like primers, sunscreens and many more. ... 
 Mineral Oil: Mineral oils are also comedogenic. ... 
 Alcohol: ... 
 Fragrance: ... 
 Isopropyl Myristate: ... 
 Coconut Oil: ... 
 Lanolin: