Question: what ingredients are in rain x?
Answer: Ethanol. The active ingredients in Rain-X work only if applied to a clean, dry surface. ... 
Isopropanol. Rubbing alcohol. ... 
Polydimethylsiloxanes (PDMS) ... 
Ethyl sulfate. ... 
Chlorotrimethylsilane. ... 
Siloxanes and silicones, di-me, hydroxy-terminated.