How long does dish detergent last?

Dish Soap: 6 to 18 months Liquid soap will last from a year to 18 months, but powdered dish detergent is only good for up to six months once it’s opened. Unopened, it’s quite shelf-stable.Click to see full answer. Similarly, does dish detergent expire?Regular dishwashing liquid does not expire, as in go bad and won’t make bubbles and wash your dishes well, however as you have experienced it can separate over time. Shaking it should do the trick. Automatic dishwashing detergent however can become less effective over time.One may also ask, how long does Windex last? about 2 years Moreover, how long do cleaning products last? Most metal polishes should be replaced after two years. Unopened laundry detergent will start to degrade at about nine months; if opened, shelf life is only about six months. Lysol cleaning products tend to remain effective for about two years. Spray air fresheners lose effectiveness after about about two years.Can I use Dawn to wash my car?The short answer is no. Never use dial or dawn to wash your vehicle as it will erode and damage the paint, and remove protective coatings.