Definition Cosmetics
“Cosmetic product” means any substance or mixture intended to be placed in contact with the external parts of the human body (epidermis, hair system, nails, lips and external genital organs) or with the teeth …
Skin Physiology
A reliable partner in skin physiological testing
What we test for you
Sun protection
In-house research, perfect conditions and reliable quality controls ensure the protection of sun protection products for consumers worldwide.
Anti-Wrinkle
FOITS-a success story from Schrader. Internationally used to determine the anti-wrinkle effect of anti-aging products.
Antitranspirant
Whether sniffing or anitranspirant: we reliably test the effect of your odour and perspiration reduction product.
Compatibility
Good skin tolerance without unwanted irritation is the basis for long-term, daily use of cosmetic products.
We test for you
You are looking for the right efficacy or tolerability test for your product.
Here you will find some suggestions. Individual adaptations are possible at any time.
Please do not hesitate to contact us.
Documentation and preparation of your data
At the Institut Dr. Schrader, the documentation and processing of your data is always included in your order. You will receive your data as a detailed and scientifically sound test report. Optionally, there is the possibility of visual documentation.
Statistical processing of all study data / Bio-Statistics
Matching study designs and claims support for hair testing can be found here.
This could be your skin claim
- Mattifying Effect
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Reduction of under Eye Bags
Anti-Puffiness
Reduction of dark under Eye Circles - Anti-Wrinkle-Effect
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Anti-Couperose-Effect
Anti Reddening-Effect
Even Skin Tone
Skin Lightening-Effect
Anti Age Spots -
Anti-Fatigue-Effect
Increase of Skin Firmness
Skin Elasticity
Skin Moisture - Volumizing /Plumping Effect
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Anti Sagging
Remodeling
Uplifting-Effect
This could be your skin claim
Mattifying Effect
Reduction of under Eye Bags
Anti-Puffiness
Reduction of dark under Eye Circles
Anti-Puffiness
Reduction of dark under Eye Circles
Anti-Fatigue-Effect
Increase of Skin Firmness
Skin Elastic
Skin Moisture
Increase of Skin Firmness
Skin Elastic
Skin Moisture
Voluminzing / Plumping Effect
Anti-Sagging / Remodelling
Uplifting-Effect
Uplifting-Effect
Anti-Couperose-Effect
Anti-Reddenning-Effect
Even Skin Tone
Skin Lightning-Effect
Anti-Age Spots (Lentigo senilis)
Anti-Reddenning-Effect
Even Skin Tone
Skin Lightning-Effect
Anti-Age Spots (Lentigo senilis)
Anti-Wrinkel-Effect
Standard studies - an overview
Controlled application and home-in-use studies of all kinds are conducted in our Institute.. Non-invasive measurements and experts confirm your product claims for various skin parameters from tolerability and efficacy to cosmetic acceptance.
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ICLS (Proof of Antioxidant Efficacy)
Modern cosmetics with efficacy claims like “Anti-Ageing” or “Oxidative Protection” are among others complex mixtures of UV filters and antioxidants.
Proof of efficacy must be obtained with sound scientific methods for such claims. Sunlight (UV radiation) is the main cause of premature skin aging (photo-ageing), primarily due to generation of free radicals and the oxidative stress associated with them. The biggest challenge in claim support is non-invasive yet sensitive measurement of oxidative stress on subjects.
Alternative test methods in sun protection
The internationally recognized methodology for determining the sun protection factor according to ISO 24444 is considered the "gold standard". The testing is invasive, time consuming and complex. The "Alt-SPF" project is currently the largest interlaboratory test in the field of sun protection testing and evaluates non-invasive and resource-saving alternative methods. We are participating in the review of the non-invasive in vivo methodology - HDRS (Hybrid Diffuse Reflectance Spectroscopy). The method was developed in-house, describing for the first time a reliable alternative test method for SPF and UVA-PF determination that takes into account the interaction of the sunscreen with the skin..
Practical knowledge - skin physiology
Hair Dyes
Testing of Application and Dyeing Results – Hair dyes are tested directly on test subjects or in laboratory tests on hair strands. Trained hairdressers use the products to be tested in the salon and assess…
UV and Heat Protection
One Signal Tells It All – Products that contain UV filters reduce the amount of light able to penetrate into the hair. For this test, hair tresses are irradiated with UV light with and without product treatment …
Hair Cross-section
Each Individual Hair Can Be Measured Accurately – The diameter and ellipticity of hair is determined digitally using the cross-sections of individual strands of hair under a light microscope or measured while rotating 360° by laser technology…
