a-per was dermatologically tested by the limited company DERMATEST® GmbH and rated "very good on skin".
DERMATEST® GmbH, has been conducting tests and clinically controlled medical evaluations of the skin on products of the cosmetic and pharmaceutical industry for over 25 years now. Dermatest® offers a large spectrum of various testing for the determination of product compatibilities and for attestations of effectiveness of cosmetic ingredients.
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Functional Cosmetics Company AG | Nauenstrasse 67, CH-4052 BASEL | Wiesentalstr. 75, D-79539 LÖRRACH