There’s nothing quite as calming as ending the day with a cup of tea — but those little bags we toss out afterward can do so much more than just flavor hot water. For years, I threw mine away without a second thought, until my grandmother showed me just how versatile they really are. Turns out, used tea bags are packed with tannins, antioxidants, and natural compounds that make them surprisingly useful around the house, in the garden, and even for skincare.

If you’ve ever dealt with a sunburn, a cooled black tea bag can be a lifesaver. The tannic acid helps draw out heat, reduce redness, and soothe irritation. The same goes for minor burns — just press a chilled, used tea bag to the skin for a few minutes to calm the sting. You can also use green tea to help shrink warts by placing the cooled bag directly on the spot for several minutes twice a day. It’s a gentle, natural remedy that’s been passed down through generations.

Tea bags also make a quick fix for puffy or tired eyes. Pop two in the fridge after brewing, and next time you’re feeling worn out, rest them over your eyes for a few minutes. The coolness and caffeine work together to reduce swelling and refresh your skin. Beyond beauty uses, tea bags are practical in the kitchen, too — toss a few into greasy dishwater, and you’ll find that the oils lift away more easily, saving you scrubbing time.

And don’t forget the garden. When mixed with vinegar and citrus peels, cooled tea becomes an effective, natural weed spray. Or, bury the used bags near your plants — they’ll enrich the soil and boost growth, especially for roses and ferns. So before you throw your next tea bag away, remember: each one still has plenty of purpose left in it. From soothing skin to nurturing your garden, these simple little sachets are the definition of everyday sustainability.