❌ Higher Cost – More complex mechanism than standard pumps.
❌ Limited Refillability – Most are single-use (though some brands offer refill pods).
❌ Not Ideal for Very Thick Formulas – Extremely viscous products may clog the pump.
Skincare: Serums, moisturizers, anti-aging creams.
Cosmetics: Foundations, primers, BB creams.
Pharmaceuticals: Sterile ointments, medicated creams.
Industrial: Adhesives, lubricants requiring air-free storage.