How you know the shelf life for hand rub sanitizer?

The shelf life of hand rub sanitizer is typically determined by the manufacturer and is usually indicated on the product label. Most alcohol-based hand sanitizers have a shelf life of about 2 to 3 years from the date of manufacture. Factors such as exposure to heat, light, and moisture can affect the efficacy and stability of the product, so it's essential to store it properly. If the sanitizer appears discolored or has changed in consistency, it's best to discard it, regardless of the printed expiration date.