Dish or Laundry Soap calculate regular KOH soap ratios for dish (no superfat) or regular (3%) and after creating lye solution, immediately add to oil and begin trace steps. insulate and leave 24h. Dilute to 1:4 with water once complete. thicken with a small amount of salt as necessary, but not before adding fragrance oil as some may cause the soap to thicken naturally upon addition