Plain-language guides to formats, ingredients, packaging and compliance — written by the people who run the lines.
Viscosity at one shear rate tells you little. A product's behaviour at rest, in the hand, and in the pump is three diffe…
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An airless pump uses a piston and a one-way valve to keep the formula isolated. Viscosity and fill level decide whether …
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A bath pearl is a compressed powder that must dissolve completely. Bicarbonate ratio, binder and humidity control decide…
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A hydrogel patch is a cross-linked water gel. The gelling system decides how much water it holds and how long it stays o…
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A preservative system is a combination chosen for the formula's pH, water activity and pack. One ingredient is rarely en…
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Collagen in a jar does not become collagen in the skin. What it does do is hydrate, film and support a claim that consum…
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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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