When bees combine sap from trees with their own discharges and beeswax, they create a sticky, greenish-brown product used as a coating to build their hives. This is propolis, or “bee glue.” Did you ...
Propolis—or “bee propolis,” as it's sometimes called—might not have the same instant name recognition as hyaluronic acid or niacinamide. But if you aren't familiar with it yet, you're definitely about ...
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