Formulation
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Anhydrous Formulas: Stability Wins and Preservation Questions
Remove the water and most stability problems disappear. What remains is oxidation, crystallisation and a texture that mu…
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Remove the water and most stability problems disappear. What remains is oxidation, crystallisation and a texture that mu…
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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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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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Every cream is an emulsion, and the emulsifier system decides stability, feel and how the product fails if it fails.
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A film former is what turns a liquid into a peel-off mask or a mask that holds serum against skin. The choice sets the f…
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Fragrance is the most common cause of contact allergy in cosmetics. Dose, allergen content and stability all need to be …
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