Stratum Corneum Turnover trials look into the deeper workings of the skin from the stratum corneum to the hyper-dermis in order to understand a product’s ability to improve the skin.
What you can expect from collagen product trials
Biopsies:
- Substantiates claims relating to collagen production and deeper workings of skin.
- We offer punch, surface and blister biopsies for various condition-improving products.
- Ask for additional information, and please note, we only test cosmetic and toiletry products.
Stratum Corneum Turnover:
- Substantiates claims for: Collagen production testing, Skin regeneration.
- Tests the regenerative ability of the skin under the influence of the test sample by measuring the level of increased cell turnover under the influence of the test sample. We use the dansyl chloride staining method where skin is stained at baseline and then the number of days to the cessation of fluorescence is recorded. A typical 20 subject study with regular assessments over 14 days.
Global Headquarters
Princeton Consumer Research
Baypoint Commerce Center
Suite 120, 9600 Koger Blvd N
St Petersburg
Florida
33702
T: +1 (727) 576-7300
Princeton NJ
Princeton Consumer Research
575 Route 28
Building 1
Unit 100
Raritan
NJ 08869
T: +1 (609) 455-1112
Canada
Princeton Consumer Research
185 Stradbrook Ave
Winnipeg
MB
R3L 0J4
T: +1 (204) 809 0009
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Princeton Consumer Research
8 Richmond Road
Dukes Park
Chelmsford
Essex
CM2 6UA
T: +44 (0)1245 934050
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Princeton Consumer Research
164A Plymouth Grove
Manchester
M13 0AF
UK