Watercolors Shampoo in Crimson Splash

I'm a total bargain shopper. $15 for some shampoo is a lot more money than I want to spend, but... But I dye my hair red and reds FADE FAST. I read about this online and figured I would give it a...

I bought this in crimson splash for $13 because the loreal pro color depositing shampoo was $20 for a smaller bottle. I didn't known what shade to get so the lady suggested this. It looks like dark...