One Drop is a food additive.

The main ingredients are enzymatically dissolved meat paste, hydrolyzed vegetable proteins, amino acids, and so on. Simply from the ingredients is difficult to determine whether the bottle of one drop of incense is a shoddy product, but through chemical synthesis or with poor quality essential oils can make this one drop of incense. After analysis, "one drop of incense" is through chemical synthesis, nutritional value is not high, long-term excessive consumption will be harmful to human health.

Composition:

Labeled as its main ingredient is ethyl malt phenol, propylene glycol, edible spices. The package also states "not for direct consumption".

From the labeling on the package:

Ethyl malt phenol is a commonly used food additives, but is mainly used for beverage flavor enhancement, according to GB2760 food additives use of health standards, can not be added to fresh dishes. Ethyl malt phenol overconsumption has an effect on the human liver, bones and joints early brittle cancer and other diseases. Serious may also lead to headache, nausea, vomiting, breathing difficulties, and even able to damage the liver and kidneys, a greater harm to the human body.

Reference: Baidu Encyclopedia - One Drop of Fragrance