The Role of Full Spectrum Fluorescent Light (FSFL) to See Undertones of Human Skin Color in Foundation Selection

This thesis is the result of collecting data on the role of full spectrum fluorescent light (FSFL) to see human skin undertones in choosing a foundation. The background of this research is that there are differences in color display at the make-up outlets and at home, this is related to the different lighting in the make-up outlets and at home.

To analyze the problems above, I used data collection techniques in the form of literature studies and measurements. Literature study was conducted to find out the theoretical basis and what measurement techniques are in accordance with this study. The measurement technique uses tools and applications that are carried out in three different contexts, namely measurements under the sun, in the room using a ring light (cool white fluorescent light), and in the room using a full spectrum fluorescent light (FSFL). This measurement is to identify changes in the appearance of human skin undertones. This study was not able to involve measurement data at make-up outlets due to the pandemic and licenses involving company secrets.

The results show that full spectrum fluorescent light (FSFL) can mimic sunlight, this happens because the quality of light such as CCT and CRI is similar to the quality of sunlight during the day, which is 5000 to 6500 Kelvin and the CRI is 100.

Keyword: Undertone, Full Spectrum Fluorescent Light (FSFL), Make-up, Foundation, Perception

Author: Amanda Priscilla Rouli Siagian – Interior Architecture

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Research Cluster of Architectural Sciences and Building Technology (ASBT)

Department of Architecture

Faculty of Engineering

University of Indonesia

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