Nail dryer devices: a measured spectral irradiance and labelling review,Photochemical & Photobiological Sciences

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Nail dryer devices: a measured spectral irradiance and labelling review
Photochemical & Photobiological Sciences ( IF 2.7 ) Pub Date : 2018-03-16 00:00:00 , DOI: 10.1039/c7pp00388a
David Baeza _{1,

2,

3,

4,

5} , Yolanda Sola _{3,

6,

7,

8,

9} , Luis Alberto del Río _{2,

3,

5,

10} , Rafael González _{3,

11,

12,

13}

Affiliation

The popularity of nail beauty has increased during the last few years in Spain, as well as in other countries. Nowadays there are a large number of nail dryer devices in the market with ultraviolet (UV) fluorescent lamps, light emitting diodes (LED) or a combination of both. The different spectral emissions of each individual nail dryer device require particular nail polishes, which are polymerized by specific wavelengths and a controlled exposure time to achieve the desired results. We have measured and analyzed the emission of 28 nail dryer devices currently in use in Spanish beauty centers. The emission of each individual nail dryer device showed a particular spectral distribution and maximum intensity, especially those with fluorescent lamps or LED/UV combinations. About 30% of the devices emitted more UV-A radiation than that received in Barcelona at solar noon in summer. Nevertheless, in all cases the erythemal irradiance was low, similarly to ambient values at solar noon in winter or when the solar altitude is low. The erythemal doses corresponding to a typical session were, therefore, lower than those received from sunlight at summer midday at equivalent exposure times. The biological irradiances for photoaging (skin sagging and elastosis) showed high variability depending on the device, especially for fluorescent lamps. Since the emission of LED-based devices is centered in the visible region, erythemal and photoaging irradiances were low. An analysis of the labelling showed that 85% of the devices had a visible label, although 23% contained some errors, according to the EN 60335-1 guideline.

中文翻译：

指甲干燥机设备：测得的光谱辐照度和标签检查

在过去的几年中，在西班牙以及其他国家，指甲美容的普及程度有所提高。如今，市场上有大量的带紫外线（UV）荧光灯，发光二极管（LED）或两者兼而有之的指甲烘干机设备。每个单独的指甲干燥机设备的不同光谱发射需要特定的指甲油，这些指甲油会通过特定的波长和受控的曝光时间聚合，以达到所需的结果。我们已经测量并分析了目前在西班牙美容中心使用的28种指甲烘干机设备的排放量。每个单独的指甲烘干机设备的发射都显示出特定的光谱分布和最大强度，尤其是那些带有荧光灯或LED / UV组合的设备。夏季太阳正午时，大约30％的设备发出的UV-A辐射要多于巴塞罗那。然而，在所有情况下，红斑辐照度都很低，类似于冬天的太阳正午或太阳高度低时的环境值。因此，与典型疗程相对应的红斑剂量要低于夏季中午在相同暴露时间从阳光下接受的红斑剂量。光老化（皮肤下垂和弹性变形）的生物辐照度显示出很大的可变性，具体取决于设备，尤其是荧光灯。由于基于LED的设备的发射集中在可见光区域，因此红斑和光老化辐照度很低。根据EN 60335-1指南，对标签的分析表明，有85％的设备具有可见标签，尽管23％的设备存在一些错误。

更新日期：2018-03-16

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