Some People Claim You Are Supposed To Put The Laundry Detergent Cup In The Washer

Using All-Natural Laundry Soap in HE Washers

White Revive™ Laundry Whitener + Stain Remover Liquid

The Best Laundry Detergent

Apparently, You're Supposed To Put The Laundry Detergent Cup Right In The Washer

What to Do When You Lose Your Laundry Detergent Cap? - All About Detergents

The Benefit Of Throwing Your Detergent Lid In With Your Load Of Laundry

Are You Using Too Much Laundry Detergent?

Does placing empty detergent bottle caps in the washing machine drum when doing a load of washing get the clothes any cleaner? - Quora

Tide Eco-Box Liquid Laundry Detergent

Here's How Much Laundry Detergent to Use