Here’s where the grocery-store dramatics begin. Hand soap is usually formulated to be pH-balanced for human skin, which sits around a 5.5 on the pH scale—slightly acidic. Dish soap, on the other hand, is often more alkaline, with a pH of 9 or 10. That’s like washing your hands with liquid bubble bath that moonlights as a pool cleaner. Use it too often, and your skin’s protective barrier throws up its little lipid arms and says, “I’m out.” You’ll get dry, cracked hands that feel like sandpaper after a winter in the Arctic.
But wait—here’s a plot twist: not all dish soaps are created equal. Some fancy, “gentle” brands (looking at you, those with aloe and vitamin E) are closer to hand soap in pH and moisturizing power. You can literally check the label. If it says “mild” or “for sensitive skin,” you might be in the clear for a week or two of emergency hand-washing. But if you’re using the industrial-strength degreaser that promises to annihilate a week’s worth of bacon fat, your hands will feel like you’ve been shaking hands with a cat’s tongue.
The Surprising Fact That Will Make You Laugh (and Wash)
Did you know that dish soap can actually kill more germs than some hand soaps? The FDA has a whole list of ingredients that are “generally recognized as safe,” and dish soap’s surfactants are great at busting up the fatty membranes of viruses like norovirus and flu. In fact, a study from the University of Sydney found that dish soap is more effective at inactivating certain viruses than some antibacterial hand soaps. So if you’re in a pinch and worried about the plague du jour, dish soap will absolutely send those germs to the shadow realm. Just don’t expect your hands to thank you afterward.
Should you wash your hands with dish soap? - Reviewed
But here’s the kicker: you’re probably using too much dish soap anyway. That dramatic pump you use for hand soap? That’s about the same volume as a pea. Dish soap is so concentrated that a single drop is enough to make a mountain of bubbles. Squeeze out a full tablespoon, and you’ll be rinsing for ten minutes while wondering if you’ve accidentally formed a permanent lather suit. Your hands will feel sticky and weird, and you’ll smell like a lemon-scented factory explosion.