Surfactants: A short guide to things lathery and foamy (updated)
What the heck is a surfactant? The word surfactant is short for “surface active agent” and has a hydrophilic (water-loving) head and a lipophilic (oil-loving) or hydrophobic (water-hating) tail. This means it can bring things together like oil and water. So an emulsifier, like emulsifying wax or Incroquat BTMS, is a surfactant. (Click here for...