2024-05-17 00:06:15
The Client Council examined 25 mosquito repellents available on the market and located that nearly 90% of samples containing DEET or picaridin might nonetheless present 80% or extra safety 4 hours after utility. (Guo Weili/Epoch Occasions)
[The Epoch Times, 17 mai 2024](Epoch Occasions reporter Chen Kai reported from Hong Kong) To stop the military of mosquitoes in summer season, it’s best to use mosquito repellent when you’re open air or going out, and take note of the components. The Client Council examined 25 mosquito repellents available on the market and located that one in every of them, “Qule All-Pure Natural Moisturizing Mosquito Repellent” from Australia, priced at NT$208 per tube , attracted extra mosquitoes after 1 hour of utility. and his efficiency was the worst.
Of the 25 mosquito repellents examined, 5 have been labeled as containing DEET, 4 have been labeled as containing picaridin, 2 have been labeled as containing butylacetylaminopropionic acid ethyl ester (IR3535), and three have been labeled as containing p-menthane-3 (.PMD), 1 mannequin accommodates cedarwood oil, 2 fashions comprise wild pink eggplant extract and one other 8 fashions declare to be “pure” or “natural”. The value of the samples ranged from 18.9 yuan to 259 yuan per bottle. Amongst them, 22 fashions of sprays, mosquito repellent liquids and mosquito repellent water have been labeled in milliliters. The typical promoting value per milliliter ranged from 0.2 to 2.8 yuan, or 13 occasions larger. distinction.
The check performed by the Client Council of Australia used Culex quinquefasciatus and Aedes aegypti mosquitoes. The testers utilized samples of mosquito repellent to the pores and skin of the forearm and recorded the next 4 occasions: half-hour, 1 hour, 2 hours and 4 hours later. The variety of mosquitoes landed was in comparison with the variety of mosquitoes landed with none repellent.
The outcomes revealed that nearly 90% of samples containing DEET or picaridin might nonetheless present 80% or extra safety 4 hours after utility; 9 samples nonetheless supplied 80% or extra safety 4 hours after utility. They will present an effectivity of 96% or extra. repelling Culex quinquefasciatus, 7 fashions even attain 100%.
The Client Council reminds that using DEET merchandise in excessive concentrations or extreme publicity to the components may cause rashes, blisters and irritation of the pores and skin and mucous membranes. Totally different areas have totally different suggestions on utilizing DEET merchandise for kids. The Middle for Well being Safety recommends that kids use low-concentration mosquito repellent merchandise as a lot as doable, the higher restrict is 10%, and infants underneath 6 months of age ought to keep away from utilizing it until They don’t journey to locations the place mosquito-borne illnesses are current. widespread (akin to dengue and Zika virus). Relating to the potential eye irritation of picaridin, the Western Australian Division of Well being doesn’t advocate its use in kids underneath 12 months of age, and Well being Canada recommends towards its use in kids underneath of 6 months.
3M’s Most Protecting Enjoyable Product Attracts Extra Mosquitoes
For Aedes aegypti, apart from the “Kill It Kill” pattern with a decrease focus of DEET, which dropped to 35% after 4 hours, the others have been capable of preserve at 80% or larger. Amongst them, the “3M” pattern is the one one to supply the strongest safety amongst all of the samples, that’s, no mosquito landed on the floor of the forearm of the tester at any time.
Eight samples claimed to comprise “pure” or “natural” components, akin to citronella oil, citronella oil, soybean oil, lemon eucalyptus oil, and many others. All samples have been discovered to be much less efficient in repelling Aedes aegypti mosquitoes, together with the Australian “Inside 4 years After the tester utilized the “Enjoyable Enjoyable” pattern, the typical variety of mosquitoes of each species touchdown on the The forearm was larger than with out using mosquito repellent. The Client Council identified that this mirrored sure components contained within the pattern might have dangerous results on the forearm. mosquitoes.
Nevertheless, the producer involved responded that the product was strictly talking an outside moisturizer relatively than a mosquito repellent. It might produce some mosquito repellent impact when left outdoors for a comparatively brief time period, and he felt the product shouldn’t be required. take the related exams.
The Client Council invitations the general public to first seek the advice of docs and pharmacists and select appropriate merchandise based mostly on their use and bodily circumstances. If it’s a must to journey to areas the place mosquito-borne illnesses are widespread, it’s best to select merchandise with robust protecting properties, akin to. DEET, picaridin, IR3535 and PMD. ◇
Editor-in-chief: Chen Zhen
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