What does "dermatologically tested" mean?

The term appears on shampoo bottles, cream tubes and make-up boxes: "dermatologically tested". Other terms such as "clinically tested" or "tested for harmful substances" often lead to the assumption that the product is safe for sensitive people. However, the term "dermatologically tested" initially only states that the product was tested in the presence of a dermatologist - but nothing about the examination procedure, the independence of the examiners or the scientific recording of the examinations.

Strict self-control

Of course, "dermatologically tested" is not just waste. On the contrary, the established manufacturers and pharmaceutical manufacturers subject their products to rigorous testing at all stages of their development. These include the scientifically sound design of the investigation order, the documentation as well as the exact and comprehensible investigation itself. Patient trials are being conducted at university skin clinics.

Test series in several test centers and under the supervision of various dermatologists help to compensate for any country-specific differences. Many pharmaceutical companies have their own ethics committees involved in developing tests, conducting scientific tests, and even developing devices for these tests. There are hardly any tests on animals. Numerous dermatological examinations are carried out in test tubes on skin cells.

Monitoring guidelines for the manufacturing process

There are now several so-called GMP guidelines for the entire European area. GMP stands for "Good Manufacturing Practice" and means "Good Manufacturing Practices". Within this regulation, the manufacture of active substances is regulated worldwide.

If an active substance is manufactured or is to be used for a medicinal product, it should be manufactured according to these guidelines. The Directive sets out requirements for personnel, quality management, packaging and labeling, storage and distribution, and distributors. However, there is currently no existing regulation for the monitoring of drug manufacturers in Europe, so that compliance with this directive is largely voluntary.

Ingredients must be labeled

The labeling of the ingredients themselves is defined by EU directives, which are designed to provide consumers with greater clarity in buying cosmetics. All ingredients are labeled with so-called INCI numbers. With the "International Nomenclature of Cosmetic Ingredients" (INCI) a Europe-wide standardization of terms was achieved.

So who buys his make-up in France, for example, can identify dyes by their INCI number. Although the decoding of the numbers for the layman still remains complicated enough, this regulation is especially important for allergy sufferers.

Risk assessment by labeling

Dermatologists and clinics closely follow allergy cases. If a substance is noticed by increased allergy frequency, it is examined closely. Many cosmetic dyes are listed in the so-called Blue List, which contains a total of four allergy classifications. The numbers 0-4 indicate whether and how often allergic reactions have occurred. This classification is assigned to the individual substances with their INCI numbers.

The dye CI 40 800 is, for example, beta-carotene, the orange dye from the carrot. His allergy class is 0: so allergies are not known or extremely rare. This makes it easy to see if one particular dye carries a higher risk of allergies than another. Allergy sufferers should therefore register the corresponding INCI numbers in their allergy passport.

If you want to know exactly what is behind the term "dermatologically tested" on his shampoo bottle, you should contact the manufacturer and ask for proof. If this request is denied, it may be worthwhile calling the Consumer Center. One should refrain from buying dermatological products on the front door: even if they are offered as particularly favorable natural products, one usually learns little about ingredients and test methods.

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