A USA Regulation 101 with Karen Yarussi-King
The Eco Well podcast
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How to Launch a Cosmetic Brand in the USA
The most important thing that you can do is to make sure your product is well preserved. When you do preservative efficacy testing, it's $600 for a formula. In some cases, you can get it as low as 300. My advice would be is to absolutely 100% make sure that your product is preserved appropriately.
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