Plain-language guides to formats, ingredients, packaging and compliance — written by the people who run the lines.
Three tint chemistries with three wear behaviours. Water stains last longest but dry the lip; oil tints feel comfortable…
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A laminate tube is a multilayer film with a barrier layer in the middle. The weak point is the shoulder, not the film.
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A jelly mask is a gelled aqueous phase with no emulsifier. Transparency is easy; carrying oil-soluble actives and stayin…
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Kaolin, bentonite and illite behave differently on skin. The mineral choice decides drying time, oil absorption and how …
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The EU ban covers testing of cosmetic ingredients and of finished products, and it has a market-access consequence that …
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A CPSR is a safety assessment written by a qualified assessor. It is a document about the formula, and it cannot be repl…
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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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