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The safety of cosmetic products is constantly in q...

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Pseudomonas stutzeri is a Gram-negative soil bacte...

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A sieve, fine mesh strainer, or sift, is a tool us...

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Cysteine (symbol Cys or C;[5] /ˈsɪstɪiːn/)[6] is a...

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Urea, also called carbamide (because it is a diami...

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Tris, or tris(hydroxymethyl)aminomethane, or known...

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Tris, or tris(hydroxymethyl)aminomethane, or known...

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Urea, also called carbamide (because it is a diami...

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