The relationship between silicone and alcohol depends entirely on whether you are talking about cleaning surfaces, chemical compatibility, crafting, or specific industrial products like alcohol-curing sealants.

Chemical Compatibility & Interaction

• No Polymer Breakdown: Isopropyl alcohol (rubbing alcohol) and ethanol do not chemically destroy or dissolve fully cured silicone polymers.
• Swelling and Dehydration: Prolonged soaking in high-concentration alcohol can temporarily cause silicone to swell or strip away its surface moisture. This can cause consumer products like silicone phone cases or game controller grips to become brittle, sticky, or lose their soft texture over time.
• Cure Inhibition: Liquid alcohol inhibits the curing process of fresh silicone. If you apply silicone caulk onto a surface that still has wet alcohol on it, the silicone will fail to cure and stick properly.