Dawn Detergent Dish Soap 1

I have been using Dawn for alot of years. I was camping 25 years ago, when a friend told me about Dawn. I used it and fell in love with it. The last 6 to 8 months, I have not been real happy with it. I use it for everything. I'm finding it doesn't take out oil the way it once did. I also have to use more of it to wash the dishes. It cost more then the other dish detergents. I just may have to try different kind of dish detergent.