Bead Breakage in Pump Bottles

Regarding your question about mixing 1mm beads into an alcohol-based gel for a 300-500ml pump bottle and whether the beads will break:

The specific type of 1mm beads, such as the Oil Beads 1mm Transparent / Colorless, are designed to break and release their inner oil when massaged onto the skin. The description for these beads indicates they can break if exposed to turbulence.

A standard pump bottle mechanism works by forcing the product through a narrow tube and nozzle under pressure. This process involves significant mechanical stress and turbulence.

Therefore, it is highly probable that the 1mm oil beads will break as they are pushed through the pump mechanism before the gel is dispensed. If maintaining the beads' integrity until application is important, a pump bottle may not be the most suitable packaging for this type of bead.