Plain-language guides to formats, ingredients, packaging and compliance — written by the people who run the lines.
A cosmetic claim must be supported by evidence that the product, at the dose used, produces the stated effect. The evide…
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Package integrity is the property that the pack keeps the product inside and the environment outside. It is tested, not …
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A challenge test is the only evidence that a preservative system works. It is a protocol with defined organisms, counts …
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A quoted lead time covers production only. The real calendar includes approval, materials, testing and shipping, and eac…
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Stability testing answers whether a product stays acceptable for its shelf life. The protocol, not the result, is what m…
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Niacinamide is cheap, stable and well studied. The formulation questions are dose, pH pairing and the rumour about flush…
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The vocabulary that comes up in every formulation meeting, in one page. Save it before your next supplier call.
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