Aluminum: In our efforts to reduce plastic, we chose aluminum! The tube is 100% recyclable.
How To:
1. Unscrew the cap.
2. Flip the cap over and re-screw onto the tube to puncture seal.
3. Re-seal using either side of cap.
4. Squeeze gently from the bottom up. Squish or roll the tube up as you use product! The cap is recyclable.