Persil’s got a newer formulation, so let’s test it properly. It scored an impressive 87.2, making it my second-best liquid detergent overall, and the cold-water performance was stellar. Cost per load? Just 15 cents, well below the 20-cent average. That “20-load” bottle? You’ll likely get closer to 40 if you use only 1 oz (2 tbsp) per wash. Be careful with overdoing it as I noticed quite a lot of sudsing with this detergent. Ingredient safety lands at 5/10, mainly due to environmental and skin-se