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.

Wie erkenne ich meinen echten Hauttyp ohne zu raten?

How do I determine my true skin type without guessing?

Dry, oily, or combination skin? Distinguishing between constitutional skin type and transient conditions leads to more reliable skincare decisions. A physiological classification.

Read more: How do I determine my true skin type without guessing?
Hypothermie-Gesichtsbäder: Sofortraffinement vs. Post-Eiswasser-TEWL-Spike

Hypothermic facial baths: immediate refinement vs. post-ice water TEWL spike

Ice-cold facial soaks create an immediate tightening effect – but in the rebound window, transepidermal water loss can measurably increase. What vasoconstriction, aquaporins, and lipid...

Read more: Hypothermic facial baths: immediate refinement vs. post-ice water TEWL spike
Temperaturfluktuations-Barrierekollaps im Hybrid-Office: TEWL-Persistenz unter Wechselklima

Temperature fluctuation-induced barrier collapse in the hybrid office: TEWL persistence under varying climate conditions

Air conditioning, heating, outside temperatures: anyone who commutes daily between climate zones exposes their skin barrier to a cumulative stress protocol. What TEWL persistence means...

Read more: Temperature fluctuation-induced barrier collapse in the hybrid office: TEWL persistence under varying climate conditions
Hyaluronsäure-Multiplex unter Radiofrequenz: Das osmotische Paradox bei 45–60 °C

Hyaluronic acid multiplex under radiofrequency: The osmotic paradox at 45–60 °C

Long-chain and medium-molecular-weight hyaluronic acid can reverse their efficacy profile after Thermage FLX or RF thread lifting: Why heat and vapor pressure destabilize the osmotic...

Read more: Hyaluronic acid multiplex under radiofrequency: The osmotic paradox at 45–60 °C
Flugkabinendehydration – Was mit der Haut auf 10.000 Metern passiert

Cabin Dehydration – What Happens to Your Skin at 10,000 Meters

In an airplane cabin, humidity drops to desert levels. What this does to hyaluronic acid concentration and the skin barrier – and what care strategy...

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Nassschminke & Feuchte-Finish – die Überhydration-Reizfalle bei Luftfeuchte-Wechsel

Wet Makeup & Humid Finish – The Overhydration Irritation Trap with Humidity Changes

Water-rich make-up formulations can trigger osmotic stress when humidity changes abruptly, destabilizing the skin barrier. Here's what's behind it and how skincare counteracts it.

Read more: Wet Makeup & Humid Finish – The Overhydration Irritation Trap with Humidity Changes
Die Hautbarriere verstehen – Grundlage für gesunde und widerstandsfähige Haut

Understanding the Skin Barrier – Foundation for Healthy and Resilient Skin

If you really want to understand skin, you start with its architecture: The stratum corneum is barely 20 micrometers thin – yet it is responsible...

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TEWL — Was der transepidermale Wasserverlust über die Hautbarriere verrät

TEWL — What transepidermal water loss reveals about the skin barrier

Transepidermal Water Loss — TEWL — is the most important objective marker of skin barrier function in clinical dermatology. Not a sensation, but a measurable...

Read more: TEWL — What transepidermal water loss reveals about the skin barrier

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