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All Journal Biofarmasetikal Tropis (The Tropical Journal of Biopharmaceutical)
Andry Natanel
Department of Pharmacy, Faculty of Mathematics and Natural Sciences, Christian University of Indonesia in Tomohon
Biochemistry, Genetics & Molecular Biology Chemistry Immunology & microbiology Materials Science & Nanotechnology Medicine & Pharmacology

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Analysis Of Rhodamine B Dye Content In Lipstick At Beriman Tomohon Market Friska M. Montolalu; Christien Kiroh; Wilmar Maarisit; Jabes W. Kanter; Andry Natanel; Amal R. Ginting; Rachmat Santoso
Biofarmasetikal Tropis (The Tropical Journal of Biopharmaceutical) Vol. 8 No. 2 (2025): OKTOBER 2025
Publisher : FMIPA UKIT

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55724/jbiofartrop.v8i2.521

Abstract

The use of cosmetics such as lipstick aims to improve the natural appearance of the lips and induce discoloration. A problem that is often worrying about today is the presence of prohibited dyes in lipstick preparations' main components. Rhodamine B is a synthetic dye prohibited in cosmetics, especially lipsticks. This research aims to analyze the Rhodamine B dye in lipsticks that do not have a distribution permit from BPOM circulating in the Beriman Tomohon market.The research method was Thin Layer Chromatography (TLC), followed by wavelength measurement on UV-Vis Spectrophotometry. The research population was all red lipstick preparations and 10 (ten) different lipsticks as a sample.Data analysis in this research is to find the RF value obtained from TLC then make a graph of the equation y = bx + a then look for the x value to measure the Rhodamine B content in lipstick. The results of this research were obtained from 1 (one) sample of lipstick label L(I) positive containing Rhodamine B. Visually, the lipstick of the L(I) label has a pink color and fluorescence orange when irradiated with 366nm UV, Rhodamine B has an Rf value of 0.85. In contrast, the L(I) sample has an Rf value of 0.84. Rhodamine B has a wavelength of 544nm, and the lipstick sample L(I) has an absorbance of 0.362 which has a Rhodamine B content of 0.4115%.
Formulation And Evaluation Of Lip Balm Preparation From Watermelon Seed Extract (Citrullus lanatus) As Lip Moisturizer Alter Y. Runtu; Soniya Tumuju; Douglas N. Pareta; Andry Natanel; Anggelina A. Pangalila; Adolfina Sumagando; Marshella M. Mokoagouw
Biofarmasetikal Tropis (The Tropical Journal of Biopharmaceutical) Vol. 8 No. 2 (2025): OKTOBER 2025
Publisher : FMIPA UKIT

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55724/jbiofartrop.v8i2.523

Abstract

This study aimed to formulate and evaluate a lip balm preparation containing watermelon seed extract (Citrullus lanatus) as a safe and effective natural lip moisturizer, in response to the increasing demand for plant-based cosmetic products. The extract was obtained using the maceration method, and four lip balm formulations were prepared with extract concentrations of 0%, 3%, 6%, and 9%. The preparations were evaluated through physical characterization tests, irritation assessment, hedonic evaluation, and stability testing over a 10-week storage period. The results indicated that all formulations were stable, exhibited acceptable pH values and melting points, and did not cause irritation. Increasing extract concentration significantly improved spreadability and moisturizing performance, with the 9% formulation receiving the highest preference among panelists. These findings suggest that watermelon seed extract has strong potential as a natural and safe active ingredient for lip care formulations.
Co-Authors Adolfina Sumagando Alter Y. Runtu Amal R. Ginting Anggelina A. Pangalila Christien Kiroh Douglas N. Pareta Friska M. Montolalu Jabes W. Kanter Marshella M. Mokoagouw Rachmat Santoso Soniya Tumuju Wilmar Maarisit