The hardest part inside the busk that protects soft flesh inside is the shell.Typically coconut activated charcoal is created through different process of burning the envelope of the mature fruit.
Coconut activated carbon..
Teeth whitening home use light
Fixed Voltage:DC6V(CR2032 3V*2)
Light Intensity: 400~600 mcd
Continuous use:48 hours
Package include:1pc teeth whitening home use light(not include the battery)..