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Unregulated skin whitening capsules, skin whitening tablets, and so-called permanent skin whitening cream without side effects often contain harmful ingredients like mercury or steroids, leading to long-term skin damage

For example, if your supplement happens to be 10 g, then cutting it in half and taking the resulting 5 g supplement twice a day (at least 4 hours apart) will meet the EFSA recommendations

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Specifically, look for transparency about peptide purity testing methods, which should be clearly stated on the suppliers website or product label