It’s soap. Soap particles look like a snake or tadpole, with a head and tail. The heads and tails like different things, the heads like water while the tails like oils. Normally water and oil don’t mix. When soap is in some water and it finds some oil like what’s on your skin, the tails point to it and are attracted like a magnet. When enough snakes are attracted and form a bubble around the oil, that’s basically a micelle. Now that the oil is surrounded with water-loving snake heads facing out, it can be mixed with water and rinsed away.
Our body’s cells use a double layer of this, with 2 layers of snakes facing away from each other.
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