In vivo Safety

At PhD Trials®, we routinely perform In vivo Safety studies (HRIPT, Patch Tests, ROATS, Open Tests) to evaluate cosmetic products and raw materials.

In vivo Safety

At PhD Trials®, we routinely perform In vivo Safety studies (HRIPT, Patch Tests, ROATS, Open Tests) to evaluate cosmetic products and raw materials.

In vivo efficacy – General methods

PhD Trials® is the laboratory to substantiate your claim. We have all the general methods to study the interaction of your product with the human skin.

In vivo efficacy – General methods

PhD Trials® is the laboratory to substantiate your claim. We have all the general methods to study the interaction of your product with the human skin.

In vivo efficacy – Advanced methods

From Confocal microscopy, AEVA-HE, skin microcirculation and professional imaging studios (with high resolution cameras and VISIA-CR), at PhD Trials® we can show how good your product is.

In vivo efficacy – Advanced methods

From Confocal microscopy, AEVA-HE, skin microcirculation and professional imaging studios (with high resolution cameras and VISIA-CR),at PhD Trials® we can show how good your product is.

Specific regulatory consultancy

The European Cosmetic Regulation presented challenges that can only be solved with experienced consultants. At PhD Trials®, we perform safety assessments of finished cosmetic products and formulation development.

Specific regulatory consultancy

The European Cosmetic Regulation presented challenges that can only be solved with experienced consultants. At PhD Trials®, we perform safety assessments of finished cosmetic products.

About Us

PhD Trials® is an International Contract Research Organization engaged into the clinical assessment of safety and efficacy of products for topical application (cosmetics or raw materials).

We are a multidisciplinary team of skin specialists, boasting more than 20 years of experience in the scientific support to the cosmetic industry.

The technical staff of PhD Trials® consists of skin physiologists, dermatologists, pharmacists, Ophthalmologists, Pediatricians, Gynecologists, Vascular Surgeons, biologists and engineers that are constantly developing new methods to substantiate your claims.

Latest news

PhD Trials at the Cosmetinnov 2018 – Best Scientific Poster Award

PhD Trials was present at the Cosmetinnov 2018- V Congress of the Portuguese Society of Cosmetology Sciences and received, through its CEO (Professor Pedro Contreiras Pinto), the Best Scientific Poster Award, [...]

PhD Trials® at in-cosmetics®, in London.

PhD Trials® was present at in-cosmetics®, in London. This is the most important ingredient exhibition for the cosmetic industry, with more than 9000 cosmetic manufacturers worldwide. At the Testing and Regulation Zone, [...]

PhD Trials® is going to present anti-oxidant study at Paris

PhD Trials® presents an in vivo anti-oxidant effect claim substantiation study at In Cosmetics 2016 in Paris. Anti-oxidant activity is one of the important protective effects that could reduce the skin [...]