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#preservatives

Articles tagged "preservatives"

pH in cosmetics: a basic guide for formulators

pH in cosmetics: a basic guide for formulators

Why pH is important in cosmetics: the skin's acid mantle, the working range of preservatives and actives, how to measure and safely adjust pH. Step-by-step protocol, pH table by product type.

10 min2 Mar 2026
#pH#acid mantle#pH measurement
Preservation in cosmetics: why a single preservative won't save your formulation

Preservation in cosmetics: why a single preservative won't save your formulation

A detailed guide to preservation systems in cosmetics: preservative groups, pH dependence, effective combinations, challenge test, and practical recommendations from Oksana Walker.

15 min2 Mar 2026
#preservation#preservatives#microbiology