INVESTIGATION OF MERCURY AND TITANIUM CONTENTS IN SKIN WHITENING CREAMS COMMONLY USED IN YEMEN BY ICP-MS
Bibliographic record
Abstract
In this study, ten (10) samples of skin-whitening creams were analyzed for determination of mercury and titanium. The samples were collected from various retail shops, pharmacies and beauty aid stores in the local market of Yemen. Levels of mercury and titanium in creams were determined using Inductive Coupled Plasma with Mass Spectrometry (ICP-MS). The concentration of mercury in the creams ranged from below 0.0167 to 47151 μg/g and that of titanium ranged from below 0.0083 to 59.442 μg/g. Fifty percent (50%) of creams samples for mercury had concentrations more than Maximum Permissible Limits by specifications of the US Food and Drug Administration’s, (USFDA), German and Canada (Maximum Acceptable Limit of 1μg/g). The use of such creams may lead to health hazards. Therefore, it is recommended that all skin whitening creams should be checked for mercury levels and other toxic metals before marketing. Further research to better understand the sources of mercury and other toxic metals in whitening creams and other cosmetic products is recommended.
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How this classification was reachedexpand
Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.000 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one teacher head, not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".