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All Journal Journal of Agromedicine and Medical Sciences Jurnal Pendidikan, Sains dan Teknologi
Dina Irsalina, Dina
College of Health Sciences Guna Bangsa Yogyakarta
Automotive Engineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Education Health Professions Languange, Linguistic, Communication & Media Mathematics Social Sciences

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Hydroquinone Identification in Whitening Creams Sold at Minimarkets in Minomartini, Yogyakarta Astuti, Dian Wuri; Prasetya, Hieronimus Rayi; Irsalina, Dina
Journal of Agromedicine and Medical Sciences Vol 2, No 1 (2016)
Publisher : Medical Faculty of Jember University (Fakultas Kedokteran Universitas Jember)

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Abstract

Whitening cream is a cosmetic which is contains chemicals and other materials that can etiolate black (brown) stain on the skin. Hydroquinone is a supplemental ingredient in whitening cream. Hydroquinone is the active ingredient that can control the production of uneven pigment, rather serves to reduce or inhibit the formation of melanin. The use of hydroquinone in cosmetics should not be more than 2%.The excessive use of hydroquinone can cause oochronosis,a rough, speckled bluish skin. The purpose of this study is to determine whether or not there are any hydroquinone in whitening cream sold at Minimarket in Minomartani, Yogyakarta. If found, further testing is done to determine the level of hydroquinone in it. This research describes the presence or absence of hydroquinone in the whitening creams and find out how much the percentage is. The method used is Thin Layer Chromatography (TLC) and serimetri titration. The qualitative study test results that 64% of the samples positively contain hydroquinone, whereas from the quantitative assay it is obtained that 89% of the samples are not suitably qualified according to Permenkes No.445/MENKES/PER/V/1998. There are 9 out of 14 whitening cream brands that contain hydroquinone and 8 of them contain levels of hydroquinone more than normal (> 2 %).Keywords: face whitening cream, hydroquinone, Thin Layer Chromatography, serimetri titration.
Tantangan dan Upaya Penghargaan terhadap Perbedaan melalui Kegiatan Lintas Agama : Studi Kasus di SDN Barambai Kolam Kanan 1 Irsalina, Dina; Suriansyah, Ahmad; Harsono, Arta Mulya Budi; Iskandar, Bagus Aulia; Mubarok, Mubarok
Jurnal Pendidikan, Sains Dan Teknologi Vol. 3 No. 4 (2024): Oktober - Desember
Publisher : CV. ITTC INDONESIA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47233/jpst.v3i4.2432

Abstract

Diversity is one of the main characteristics of Indonesian society, encompassing differences in ethnicity, religion, culture, and socio-economic backgrounds. Indonesia, as a nation rich in cultural and religious diversity, faces challenges in fostering tolerance and unity, particularly in the school environment. SDN Barambai Kolam Kanan 1 is an elementary school striving to break the stigma that students from different religious backgrounds are difficult to unite. This article aims to identify challenges and evaluate efforts to appreciate differences through interfaith routine activities. Using a qualitative approach, this study involves in-depth interviews, direct observations, and supporting documentation. The results show that interfaith activities, such as joint celebrations of religious holidays, significantly contribute to enhancing tolerance among students. However, obstacles such as resistance from certain groups and entrenched stereotypes still require strategic solutions.
Co-Authors Ahmad Suriansyah Arta Mulya Budi Harsono Dian Wuri Astuti Hieronimus Rayi Prasetya, Hieronimus Rayi Iskandar, Bagus Aulia Mubarok Mubarok