The zipper pulls up, but the teeth don't stay closed.
Only apply a tiny bit of pressure at a time. If you squeeze too hard, the slider won't move at all. When to Replace the Slider xaxbabyzip fix
If the zipper feels "gritty" or resists movement, it likely needs lubrication. You don't need industrial chemicals; household items work best. The zipper pulls up, but the teeth don't stay closed
If the teeth are missing or the metal slider is cracked, a simple fix won't work. For Xaxbabyzip products, look for a replacement slider that matches the size engraved on the back of the original (usually a number like 3, 5, or 8). When to Replace the Slider If the zipper
Gently rub a dry bar of soap or a beeswax candle along the teeth to help the slider glide.
In a pinch, a tiny dab of clear lip balm can do the trick, but use it sparingly to avoid staining the fabric. 3. Fixing Gapping Teeth
High heat in the dryer can warp plastic zipper teeth over time.