This battery-operated automatic soap dispenser has a large, clear container, so you can easily see when it's time for a refill. It's also an Amazon best-seller with more than 16,800 five-star reviews.

4-Pack Shampoo Pump for Liter 33.8 oz Shampoo and Conditioner Pump Dispenser Fits Most Salon Bottles with 1-inch Wide Opening, Black & White Replacement Pump Top for Soft Hair Product,Body Wash,Lotion ...

One pump gives him the exact amount of shampoo he needs. It's not a huge savings, but simple frugal moves can really add up. Plus, a pump dispenser saves you the time waiting for the shampoo at ...