What is HRIPT/RIPT?
Consult Chen S18O–24O3–65O8V

RIPT: Repeated Insult Patch Test (RIPT), which is the most rigorous research at present. There is no potential irritation or allergy after using products or raw materials. Nine groups of induced patches are used, and a period of rest This was followed by a set of challenge tests.
HRIPT: Human Repeated Insult Patch Test (HRIPT)
3. Test process
▨ After the sample arrives at the laboratory, the test substance will be given an independent laboratory test number, and the batch number, sample specification, sponsor, receipt date and test request will be recorded and verified in the laboratory log.
▨Volunteer screening: According to the opinion of the research and development staff, the tester must not have any systemic disease or skin history, otherwise it will hinder the test results or increase the risk of adverse reactions in the body. If the skin color is suitable for erythema test observation, any skin Nature and any race can participate, and a research sample of 53 people was finally screened.
▨The test is divided into an induction period and a challenge period. Through repeated tests, it is finally determined whether the subjects have erythema or other adverse stimulation reactions. Cosmetics application process for HRIPT / RIPT+COA certificate:
1. Fill out the cosmetic HRIPT/RIPT application form + COA application form
2. Sign the contract
3. Send samples
4. Arrange payment
5. Make a report