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Methods and Precautions for Cleaning Plastic Drop Bottles

Methods and Precautions for Cleaning Plastic Drop Bottles

Jun 10,2021
the methods and precautions for cleaning plastic drop bottles

Plastic drop bottles are widely used in the pharmaceutical industry because they can precisely control the amount of liquid. We can re-use them by cleaning and disinfecting them. However, if it is not cleaned properly, it may cause a chemical reaction between the remaining substances and the new substances, thus endangering our health. The following are the methods and precautions for cleaning plastic drop bottles.

Steps of cleaning

1.Remove the dropper cap, if possible. Some plastic drop bottles are easier to disassemble than others–don’t force it. You can still clean the plastic dropper bottles even if you can’t remove this. Set the rubber head aside. You will clean it separately.

2.Hold the plastic dropper bottles (sans dropper cap) under warm running water. Use a slender dropper brush to scrub inside the plastic dropper bottles. Add a tiny drop of mild dish detergent to the brush, if the grime on the dropper seems difficult to remove.

3.Rinse the plastic dropper bottles well by holding them under running water and allowing the water to flow through them.

4.Pour rubbing alcohol (or hydrogen peroxide–drug-store strength) into a shallow bowl, deep enough to submerge the dropper. This is to sanitize the dropper. Fill the dropper with the alcohol. Leave it in only for a minute ( rubbing alcohol can dry out plastic and rubber, however). Rinse the dropper well, inside and out, with warm water.

5.Place the plastic dropper bottles on a clean cloth to dry. Clean the dropper cap tip by holding it under warm water. Use the slender brush to clean the interior. Rinse it well with warm water and flush it with rubbing alcohol. Rinse it again to remove traces of the alcohol (which could dry the rubber head).


If you were unable to remove the rubber bulb tip, fill a bowl with warm water and a drop of dish detergent. Squeeze the bulb to fill the dropper with the water and then leave the dropper to soak for five minutes.

While holding the plastic dropper bottles in the bowl of water, squeeze the bottle body several times to purge the old water and refill with new. Forcing the water out this way will help clean the internal of the plastic dropper bottles.

Place the dropper in the bowl of rubbing alcohol. Fill it with the alcohol and squeeze the bulb to empty the dropper. Hold the dropper under running water to rinse it well. Fill the dropper with the water and rinse it out on the inside.

After cleaning and disinfecting the plastic drip bottle, we don't use it right away but need to air dry to evaporate the alcohol. If you still have doubts about the cleaning method of plastic dripping bottles after reviewing the above content, please contact us for professional consultation and comprehensive solutions.

As a professional plastic squeeze bottle manufacturer, we have accumulated rich experience in the field of manufacturing plastic bottle packaging. We continue to develop and upgrade production technology and establish a complete quality management department to provide customers with high-quality and safe products. We can also provide corresponding customized services and good solutions according to customer needs. If you want to buy our plastic drop bottle, please contact us immediately!
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