Cosmetic packaging: how to clean the dropper bottle

Cosmetic packaging_The dropper bottle will not remove the oil by just using water. Use detergent to soak in water. It is recommended to use hot water or alkaline detergent. You can prepare a clean brush or makeup brush and dip it. A neutral detergent or shampoo is also possible. Gently scrub the brush with cold water to clean the corners and corners, and then rinse with plenty of water. The dropper is to repeatedly suck the water with the cleaning agent and then drip it and then suck the water to wash.

If the dropper bottle needs to be cleaned with alcohol, use 70-75% medical alcohol, add some to the bottle, shake the bottle, let the inner wall fully contact the alcohol, pour it out, and repeat. Then add pure alcohol, shake the bottle, pour it out, and air dry. The function of the latter step is not mainly for cleaning, but pure alcohol evaporates very quickly. This method takes away the trace residual moisture on the inner wall. Generally, it dries in a few minutes, which is relatively fast. If there is no alcohol or other convenient methods to clean, use pure water or distilled water, such as the bottled one, add it to the cleaned bottle, shake to wash the inner wall, discard, repeat the above steps three to five times, and then hang it upside down Let it dry, it's almost enough.

Cosmetic packaging _ The standard of whether the dropper bottle is washed, the general inspection method is to look at the light, there is no drop of water hanging on the inner wall, but a uniform water film, it is clean.