30ml Twist-Up Glass Dropper Bottle for Serum, Lotion & Light Cream(MC-623) Product Description The 30ml Twist-Up Glass Dropper Bottle combines premium glass packaging with a retractable rotary dropper design for a cleaner, more controlled skincare experience. Unlike conventional exposed dropper bottles, the dropper head can retract into the cap after use, helping reduce accidental pressing, exposure and leakage during daily carrying. The 30ml format is suitable for serum,