Dermatest®
EXCELLENT.
The seal is not a marketing promise. It is the result of an independent clinical study — 4 weeks, 20 volunteers, zero reactions.
0 weeks
Clinical test duration
Twice daily, over four weeks
0
Healthy volunteers
18+, all genders
0
Skin reactions
Not a single adverse effect
0×
Applications per day
Morning and evening hand washing
Independent
Dermatology.
Dermatest GmbH (Münster) is an independent dermatological testing institute. The seal is internationally recognised as proof of quality.
The safety assessment was conducted by Dr. med. Werner Voss and Dr. med. Gerrit Schlippe — both specialist dermatologists.
The rating EXCELLENT is the highest grade — awarded after full toxicological review of all ingredients and a clinical application study.
Measurable. Documented.
Proven.
Bacterial count was measured before and 15 minutes after hand washing — on agar contact plates on the back of the hand. Both products show measurable reduction of skin germs.
Before washing
Baseline bacterial count measured on the back of the hand
Wash with DRFRITZ
Standardised hand washing with our soap
15 min later
Repeat measurement — documented germ reduction