We offer a full range of irritation and allergy patch testing, including 24 to 96 hour irritation protocols, HRIPT protocols, allergy and photo allergy testing. With over 30 years’ experience in safety testing and our Dermatology heritage, we have huge experience in these types of tests. Choosing the wrong safety testing and then suffering consumer reactions to a product in the market can be hugely damaging to a brand reputation, so talk to the experts to ensure your products are tested effectively to minimize risks.
The most common types of test are:
- 24/48 Hour Patch Test.
- 96 hour Cumulative Irritancy Patch Test.
- 14 Day Cumulative Irritancy Patch Test/ Human Repeat Insult Patch Test (HRIPT).
Variations on these tests are available and all can be by occlusive or non occlusive application.
Specialist tests are available for soaps and detergent containing products. Conventional patch testing of these products can give positive results because of the inherent chemistry of the product and because of the prolonged contact with the skin. The Soap Chamber test uses an intermittent application schedule and also assesses other aspects of soap irritancy such as scaling and fissuring. Other tests such as the forearm wash test or anti cubital fossa wash test are also available for soaps and detergent containing products.
Predictive tests such as patch test are invaluable but sometimes data need to be generated in a consumer based study, whereby the product is used as intended and consumers feedback on their experience to support the claims being proposed for the product. Cutest can organise studies such as:
- User/Consumer Trials for cosmetics, toiletries and other household goods.
- Specialist panels such as Sensitive Skin, Dry Skin, Oily skin can be selected.
- Controlled Arm and Facial Wash Tests.
- Hand Immersion Tests
- Wash and Wear Testing (clothing) or Wear Testing (disposable nappies, sanitary products)
- In use safety testing to identify irritation risks when used in the home environment
Even if products pass standard safety tests such as irritancy and sensitisation, consumers may experience unpleasant sensations such as burning and stinging. The face is the most common part of the body to experience this problem and the facial stinging test was designed to screen for products with this tendency.
- Subjects selected as having sensitive facial skin (lactic acid positive).
- Comparison with control or marketed product with known history.
- Within subject comparison, left side of face versus right side, double blind.
- Intensity of stinging recorded by subject.