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Human Repeat Insult Patch Test

Human Repeat Insult Patch Test – HRIPT/RIPT

It’s imperative that a human repeat insult patch test (HRIPT or RIPT test) is administered before launching a product that will come into contact with the skin. Whether you plan on producing cosmetics or personal care products, when operating in the field of skin care, product testing is a necessary part of the process.

CPT℠ is committed to both our clients and their consumers. By performing clinical trials, a repeat insult patch test can help determine any potential irritation or sensitization issues, minimizing the risk of potential reactions for the consumer and ensuring our clients’ success.

Our HRIPT/RIPT Capabilities

Using our specialized departments and well-respected lab facility, we test a wide range of products at CPT℠. Whether you want to remove chemicals of concern, reformulate your product, meet labeling requirements or achieve a specific result within a clinical trial, examples of products that can be subjected to a HRIPT test include, but are not limited, to:

  • Skin care products, including creams, lotions, serums
  • Makeup
  • Personal care products, such as shampoos, body washes
  • Therapeutic products
  • Soap
  • Laundry detergent
  • Specialty ingredients

Our Proprietary Technology and Commitment to Safety

CPT℠ has continually improved our custom made proprietary patches to provide the lowest possible chance of non-product related reactions that one can get with off-the-shelf patches. Clients appreciate and benefit from the additional level of research and care that CPT℠ takes in our commitment to safety of our panelists. This is why CPT℠ is the worldwide leader in Human Repeat Insult Patch Testing.

For more than 45 years, CPT℠ has been providing HRIPT testing to clients around the world. With the largest HRIPT facility in the world we have the capability to get your product on test quickly and with the highest level of expertise.


RIPT Guide to Cosmetic Products

Our Departments

Based on the individual needs of our clients, we offer a wide range of support across various departments. Since initial product testing can be fairly complex in terms of a high-quality, safe and trusted product, our clients typically explore the benefits of numerous departments and areas of expertise, including:

  • Clinical — Efficacy trials can be performed for safety, consumer in-use, and to support claims such as ‘dermatologist-tested’ and ‘ophthalmologist-tested.’
  • In-Vitro Toxicology — Our In-Vitro Toxicology department assists clients when they are looking to perform non-animal (animal-free) toxicology testing.
  • Microbiology — Microbial contamination and preservative efficacy testing are key to cosmetic and OTC drug products.
  • Photobiology — From SPF and Water-Resistant claims to Photoallergy and Phototoxicity studies, CPT℠ is the world leader in sunscreen testing.
  • Analytical — From raw materials, product batch release, and stability shelf-life testing to “free-of” and low-level detection claims, our analytical department ensures that all requirements are met based on industry standards.
  • Consulting – Our consulting staff can perform GMP and GLP audits of your facilities or vendors, help create SOPs, develop testing programs, etc.

Get In Touch

Please Note: CPT℠ only performs testing for companies. We do not perform product testing for the general public.