Products that are safe to use on acrylic tubs include Clorox Disinfecting Bathroom Cleaner, Lysol Bathroom Cleaner, Mr. Clean Disinfecting Bath Cleaner and Tilex Bathroom Cleaner. These products have been thoroughly tested to ensure safe usage on acrylic.
A large list of safe cleaners to use on acrylic tubs is available on BathFitter.com. Ensure that the product matches the listed name exactly, as manufacturers produce a wide range of products which may vary in safe usage.
Do not use abrasive cleaners for acrylic tubs, as these can scratch the tub and cause lasting damage to the finish. Use white car polish to remove light scratches or dull areas of the acrylic.