Plain-language guides to formats, ingredients, packaging and compliance — written by the people who run the lines.
PET, HDPE and PP behave differently with solvents, heat and squeeze. Choosing the resin is a chemical decision before a …
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Tamper evidence is a physical record that no one opened the pack. It must be obvious, irreversible and cheap enough to g…
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Glycolic, salicylic and gluconolactone work on different layers with different irritation profiles. The choice is about …
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SPF is a property of the finished film, not of the filter list. Vehicle, film thickness and dispersion set the ceiling.
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Phenoxyethanol is the default preservative in modern cosmetics. The dose limit, the pairing and the pH determine whether…
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A raw material is a specification, not a name. Grade, purity and certificate decide whether the same INCI behaves the sa…
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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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