Sun protection factor (SPF) testing
In vivo: Testing is done according to the Sunscreen Standard (SANS 1557) of Standards South Africa and according to ISO 24444.
In vivo: Testing is done according to the Sunscreen Standard (SANS 1557) of Standards South Africa and according to ISO 24444. The test is performed with a Multiport Solar Simulator (Solar Light Co. Pennsylvania, USA) which is fitted with a Xenon arc UV lamp.
Dry and water resistance tests are offered. In vitro SPF testing is currently performed according to SANS 1557. The laboratory is also participating in the ISO ring-test which is refining the COLIPA in vitro UVA test method. Tests are performed on topical sunscreen products with the Optometrics SPF 290 and a Multiport Solar Simulator.
Moisturiser Efficacy Testing (MET)
The moisturisation efficacy of topically-applied products can be measured instrumentally or by expert visual assessment.
Irritancy patch test
The irritancy patch test is a safe non-invasive test which has been used for many years to determine the irritancy of topically applied products.
Skin pigmentation studies
A variety of test designs is available on a range of ethnic groups to examine the effect of topically applied products on skin colour.
Ophthalmic irritancy studies
Ophthalmic irritancy of shampoos and baby soaps are performed on small panels of volunteers with normal healthy eyes, under the close supervision of an ophthalmologist.
Oil control studies
Efficacy of oil control products is tested using expert visual assessment, Sebumeter™ (Courage & Khazaka GmbH) and Sebutape®.
A variety of tailor-made studies is available using a range of ethnic groups. Examples of studies include antidandruff, relaxer efficacy, relaxer mildness and product acceptability/efficacy studies.
For anti-wrinkle studies we offer the following assessment methods: expert visual assessment, Visia-CR, Visioscan and replica impressions (with externally sourced profilometry).
Image Assessment and Analysis
Expert grader and dermatologist assessment of images is offered as part of pigmentation and anti-wrinkle studies, using a Visia-CR Visioscan and Visioface