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Many drugs come in more than one form -- or formulation, I should say. For example, it's common for a drug to come in an oral formulation and an injectable formulation: same chemical, different formulation with different usages. There are many dosage forms. Do they work differently? Yes and no. Typically, the drug is going to exert the same general effects ...


5

Dettol upon contact with H2O turns milky like white. When H2O is added to the dettol liquid its oil droplets become suspended in the water droplets, creating something called an Emulsion. It is that state of emulsion that causes the colour to change with its response to light.


5

All the alcohol based sanitizers are using ethanol as the main alcohol often with isopropylalcohol. The latter is more effective against bacteria and ethanol is better against virus The effectiveness of alcohol as an anti-bacterial or anti-fungal disinfectant increase as the molecular weight increases. Therefore, Isopropyl alcohols, such as IPA, are ...


4

Oil is: any nonpolar chemical substance that is a viscous liquid at ambient temperatures and is both hydrophobic (does not mix with water, literally "water fearing") and lipophilic (mixes with other oils, literally "fat loving"). Cannabidiol has high lipophilicity (Fasinu et al., 2016; Ohlsson et al., 1986) and is extremely hydrophobic (Stinchcomb et al. ...


3

I found the following list of ingredients for Robb balm on-line (if the product you are using is different please correct me): CAMPHOR 11.0% MENTHOL 5.5% OL EUCALYP 1.0% OLPINIPUMIL 0.5% METHYLSAL 4.0% ONITMENT BASS ad 100% Except for the ointment base, all of the ingredients contribute to the analgesic effect. Camphor is used externally as a rubefacient ...


2

Interesting question. I remember my professor of pharmaceutical technology and pharmaceutics addressing this when we discussed the significance of dosage form design. The skin on one’s face is far thinner and more sensitive than the skin on one’s body. The facial epidermis is about 0.12mm thick whereas on the body it averages around 0.6mm (nearly six-fold). ...


2

Short answer, no one knows. By now tests have found the chemical in more than 90% of Americans. But the risks of BPA contamination are still in dispute. One reason: Studies have produced conflicting or inconclusive results, in part because alterations in the endocrine system can be subtle and hard to pin down. Another is a deep rift between academic ...


2

In addition to Carey's excellent answer, many drugs also exhibit polymorphism, the ability to form different crystal structures (think coal, graphite, and diamond, which are all different crystal structures of carbon), solvates, and hydrates (H2O added). Each polymorph will almost certainly have different chemical properties such as solubility, melting and ...


2

Yes you can. You are safe if you use 65% ethanol mixed with 35% water or glycerine. That is what is known/sold as disinfectant hand sanitizer for viruses.


2

Yes, this can basically be accomplished via plastination, whereby they replace the normal water in tissue with a form of silicone. You can use it on virtually any kind of tissue; first time I walked into an anatomy lab I grabbed a large slice of something... about 1-inch thick, with a large hole in its center and began wondering what it was. Only when I ...


1

FDA data https://www.fda.gov/food/resourcesforyou/consumers/ucm199525.htm suggests there is increased migration of melamine into food at temps above 160'F but seems to take time to accumulate. The level that leads to toxicity is estimated through risk assessment. It seems toxicity is rare but can be severe: Products with melamine contamination above the ...


1

Adding flame and fire retardends to clothing garments is possible, but it is not standard in the clothing industry. Those chemicals are usually reserved for specialty application, like race driving suits. Racing suits, design and usage Other suits consist of cotton treated with Proban, a chemical manufactured by Rhodia, or other substances. These suits ...


1

In my experience, such warnings are typically present if ingredients in the lotion would irritate the eyes or mouth—problems that can't happen if you avoid applying it to the face. My reasoning goes as follows: The only significant difference between skin on one's face and elsewhere is the higher concentration of sebaceous glands that secrete oil, but since ...


1

Framing the symptoms as mold-like biases thinking through the scenario. Contact dermatitis would account for multiple individuals experiencing rash with similar appearance and distributions. The fact that people work in an adjacent building for the same employer imply they use the same cleaning service, same chemicals and identical ventilation. Is this ...


1

Glyphosphate is an organophosphate compound that is used a herbicide - it is generally aimed at inhibiting enzyme synthesis in plants. Generally, on oral intake from raw produce can produce toxicity, but the impact is low. [1] Glyphosphate formulations are usually mixed with additives that allow more rapid or easier transferral to the inside of plants, which ...


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