What is PEG4000? Analysis of popular topics on the entire network in the past 10 days
Recently, the chemical substance PEG4000 has caused heated discussions on multiple social platforms and industry forums. This article will combine the hot contents of the entire network for the past 10 days to analyze the definition, purpose, security and related disputes of PEG4000 for you in detail, and present key information through structured data.
1. Definition and chemical properties of PEG4000
PEG4000 (polyethylene glycol 4000) is a polymer made of ethylene oxide and water or ethylene glycol gradually polymerized. Its molecular weight is about 4000, and it is a nonionic surfactant, with water-soluble, low toxicity and good compatibility.
| Chemical name | Molecular weight | Appearance | Solubility |
|---|---|---|---|
| Polyethylene glycol 4000 | 3800-4200 | White waxy solid | Easily soluble in water and ethanol |
2. The main uses of PEG4000
According to the popularity of industry discussions in the past 10 days, the application of PEG4000 is mainly concentrated in the following fields:
| Application areas | Specific use | Popularity Index (1-10) |
|---|---|---|
| Pharmaceutical Industry | Lactating agents, drug auxiliary materials | 8.5 |
| cosmetic | Moisturizer, thickener | 7.2 |
| Industrial Manufacturing | Lubricant, mold release agent | 6.0 |
3. Recent hot topics
1.Medical safety dispute: A well-known brand of children's medicine contains PEG4000 ingredients, which has caused concern to parents, and experts say that compliant use is harmless.
2.Cosmetic ingredients storm: Multiple beauty blogger reviews pointed out that PEG4000 may damage the skin barrier, but industry standards allow safe additions.
3.New directions for industrial applications: The field of new energy batteries tried to use PEG4000 as an electrolyte additive, and the reading volume of related papers increased by 300% weekly.
4. Security data comparison
| Evaluation Agency | Safety Conclusion | Limit Requirements |
|---|---|---|
| FDA (USA) | GRAS (Recognized Safety) | Medical grade ≤0.5% |
| EC (EU) | Limited substances | Cosmetics ≤1% |
| Chinese Pharmaceutical Codex | Medicinal supplements are allowed | Comply with USP standards |
5. Consumer focus
According to public opinion monitoring, the three most concerned issues for netizens in the past 10 days:
1. Will PEG4000 cause dependency or intestinal damage? (Accounting 42%)
2. Do cosmetics contain PEG4000 and need to be avoided? (35%)
3. How to identify the PEG4000 ingredients in the product? (23%)
6. Expert advice
1. Medical uses must strictly follow the medical instructions and do not increase or decrease the amount by yourself.
2. It is recommended to choose cosmetics without PEG ingredients for sensitive skin
3. Pay attention to the alias when reading the ingredient list: Macrogol, Polyoxyethylene, etc. are all of the same substances.
Conclusion
As a widely used chemical substance, PEG4000's safety and necessity need to be evaluated in combination with specific scenarios. Recent controversies reflect the improvement of public awareness of chemical components. It is recommended to look at scientific research and regulatory conclusions rationally to avoid excessive panic. The statistics cycle of this article is from X-X to X-X, 2023, and we will continue to pay attention to the development of events.
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