Dermatological testing of cosmetic products
Within our dermatological laboratory, numerous tests can be conducted: dermatologically controlled compatibility assessments, evaluations of efficacy and quality (through use/instrumental testing), as well as stability tests, all performed in a modern, well-equipped laboratory.
Dermatologically Controlled Compatibility Assessment
Within our dermatological laboratory, numerous tests can be performed: dermatologically controlled compatibility assessments, efficacy and quality evaluations (during use/instrumental tests), and stability tests, all conducted in a modern, well-equipped laboratory.
Dermatological studies help assess the safety of cosmetic products, determining whether the product causes allergies or irritations. Patch tests are always conducted under the supervision of qualified dermatologists, who evaluate the skin types of adult volunteers.
The product is applied to the skin under a patch for 48 or 72 hours. Our cosmetic and hygiene product analysis services are designed to support you at all stages of production. Before testing the product itself, the quality of all its ingredients is evaluated. Certain tests may be applied based on the product's ingredients, while others depend on the target consumer group and the type of cosmetic product.
THE FOLLOWING TESTS CAN BE PERFORMED WITH US:
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Dermatological semi-occlusive epicutaneous patch test (25 subjects)
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Dermatological semi-occlusive patch test (50 subjects, 25 with a known history of allergies)
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Dermatological occlusive patch test (25 subjects)
For more detailed information, please contact us via email at info@proteko.hr.
Efficacy and Quality Evaluation (during use/instrumental tests)
Use tests are designed to determine product quality and validate the manufacturer's claims, which must be supported by evidence during use. The tests are conducted on several dozen volunteers who test the product over a set period and under specific conditions.
The evaluation of cosmetic products is always conducted according to test specifications. Instructions and frequency of use are adjusted according to the type of product, and testing can also be conducted in beauty salons, hair salons, and similar establishments.
Instrumental tests provide objective results for skin evaluation after testing and assess the product's effect on the skin. The principle of instrumental tests is to evaluate the skin as a method of assessing the safety and efficacy of the product.
MOST COMMON DERMATOLOGICAL INSTRUMENTAL TESTS THAT CAN BE CONDUCTED:
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Measurement of skin color/melanin before and after product application
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Measurement of erythema/redness before and after product application
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Topological examination of skin smoothness and photographs of the skin surface before and after product application
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Measurement of skin hydration before, and 2h, 4h, and 8h after product application
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Measurement of skin hydration before and after product application
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Measurement of transepidermal water loss before, immediately after, and 24h after product application
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Measurement of transepidermal water loss before and during 28 days of product application (3 checkpoints)
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Measurement of skin elasticity before, immediately after, and 24h after product application
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Measurement of skin elasticity before, immediately after, and during 28 days of product application (3 checkpoints)
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Measurement of skin pH before and after product application
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Instrumental measurement of skin smoothness before and after product application
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Measurement of body and/or scalp flakiness before, immediately after, and 24h after product application
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Measurement of body and/or scalp flakiness before and during 28 days of product application (3 checkpoints)
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Efficacy testing of cosmetic products targeting hyperpigmentation using 3D skin imaging before, after, and during product application
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Efficacy testing of cosmetic products targeting acne using 3D skin imaging before, after, and during product application
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Efficacy testing of cosmetic products targeting pore visibility using 3D skin imaging before, after, and during product application
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Efficacy testing of cosmetic products targeting skin redness using 3D skin imaging before, after, and during product application
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Comedogenicity testing of cosmetic products
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Measurement of sebum secretion on the skin and/or scalp before and after product application
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Measurement of sebum secretion on the skin and/or scalp before, and 1h, 3h, and 5h after product application
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Measurement of hair growth during 28 days of product application (3 checkpoints)
Conducting Stability Tests
Before a cosmetic product is launched on the market, extensive stability testing is required to determine whether the product will remain stable throughout its intended shelf life under normal usage, storage, and transport conditions.
Among other tests (such as the effects of freezing, transport vibrations, packaging compatibility, UV exposure, etc.), a real-time stability test is conducted to assess product stability. For example, if the expected shelf life is one year, the product is monitored over one year based on parameters deemed relevant, depending on the product's characteristics.
If the product needs to be brought to market as quickly as possible, accelerated stability tests can predict the product's shelf life. These tests expose the product to extreme conditions, depending on the geographical region where the product is planned to be sold and the product's characteristics (e.g., for a predicted shelf life of two years, testing is conducted over three months).
Clients
We take an individualized approach to each client, ensuring that during the development of cosmetic products, our head of research and development is in constant contact with you.
L’Adria
The L'Adria brand believes in gentleness and care in revitalizing all skin types. From the heart of the Adriatic, the finest seaweed and collagen are extracted, enriching L'Adria's high-quality products for minimalist skincare routines.
MNLY
MNLY is the first Croatian brand to introduce high-tech grooming for complete men's care. Their products provide thickness and strength to hair and beard. Additionally, with the help of advanced technologies, they reduce the visibility of gray hair.
Skintegra
Skintegra combines skincare with an ethical approach. It believes in gentle and consistent skin care, with carefully selected ingredients holistically intertwined into excellent formulas. All formulas are 100% vegan, and the products are not distributed in countries where animal testing is still practiced.
Moja oaza
Behind Moja Oaza is a young expert team within the company Anzotica Cosmetics. The products are based on the highest quality natural and organic ingredients, exclusively safe and approved, with proven beneficial and targeted effects on the skin.
Aprive
These cosmetic products are formulated to specifically target dermatological skin issues. They are classified as cosmeceutical products, meaning that the biologically active ingredients have clinically proven effects and deliver functional and cosmetically visible results.
365 Nature
The 365Nature team is dedicated to developing and researching the exciting potential of treatments using active compounds from industrial hemp (Cannabis sativa L.). Discover the power of premium full-spectrum CBD oil, derived from organically grown industrial hemp.
