Persil the ""work of the washboard""—saving consumers time and rendering the historic method of "sun-bleaching" (by laying clothes out in the sun) unnecessary. Persil was the first commercially available self-activated laundry detergent (combining bleach with the detergent). The invention of Persil was a significant breakthrough. The name, "Persil", is derived from two of the original ingredients, sodium perborate and silicate. The original name was deemed unsuitable as an international brand because it is hard to pronounce in some languages. Coincidentally, "persil" is the French word for the herb, parsley. Persil is sold in powder, liquid detergent, liquid capsule, liqui-gel, and tablet
Top Tier Detergent Gasoline TOP TIER gasoline can now be found in gas stations all over the U.S. and Canada. Top Tier is also available from select brands in Canada, El Salvador, Guatemala, Honduras, Mexico, Panama, and Puerto Rico. Meeting this standard allows gasoline marketers to differentiate themselves from their competition. All stations selling the brand must meet Top Tier standards before the brand is qualified. They must pass separate tests measuring the ability of their gasolines to keep intake valves, combustion chambers, fuel injectors clean, and to prevent intake valves from sticking. As of November 2018: Top Tier Detergent Gasoline Top Tier Detergent