Field Notes
Observations are made along the way.
Thoughts that are not planned, but rather emerge spontaneously.
The Field Notes consist of records from the world of NATURFACTOR® – about skin, care and the rhythm that connects both.
Understanding the PAO symbol: What shelf life after opening really means
The open jar symbol on the packaging is full of science: how preservation tests work, why storage and method of application significantly influence shelf life...
Challenge Testing (Preservative Efficacy) in Multi-Use Formulas: Why Balms Fail More Often Than Serums
Phase partitioning, emulsifier sequestration, and water activity explain why balm formulas fail challenge tests more frequently than aqueous serums – and what this means for...
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Discover the world of NATURFACTOR
Experience modern skin research, natural active ingredients and timeless care in harmony with the skin's chronobiological rhythm.
Experience modern skin research, natural active ingredients and timeless care in harmony with the skin's chronobiological rhythm.
