The seller supplied the following interesting description of these tubes:The zirconium tubes are the ends of a long piece of tubing lathed into shorter lengths for the purpose of placing pellets of U238 for reactor function.
A trigger event. Many people experience a general thinning of hair several months after a physical or emotional shock. This type of hair loss is temporary. Examples of trigger events include sudden or excessive weight loss, a high fever, surgery, or a death in the family.
For fine or thinning hair, avoid any LEAVE-IN conditioners. These will only weigh DOWN your hair. Just work conditioner it into the ENDS of your hair, not the scalp, for best results. Your ends are the oldest part of your hair, which means they've been the most damaged over time.