HUMAN REPEAT INSULT PATCH TEST

Clinically validate your product’s safety with our HRIPT service. Assess skin sensitization potential under dermatologist supervision for global regulatory compliance.

Method Ref.: IS 4011:2018 | Number of volunteers : 200 |TAT : 90 Days*
Required sample quantity : As per requirement*
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Description


Human Repeat Insult Patch Test (HRIPT) – Assess Sensitization & Allergenicity

The Human Repeat Insult Patch Test (HRIPT) is a gold-standard clinical study used to evaluate whether a cosmetic, personal care, or topical pharmaceutical product causes skin sensitization or allergic reactions after repeated exposure. It is essential for products intended for frequent or long-term use.

Conducted under strict dermatologist supervision, the product is applied to the same area of skin over multiple cycles—followed by a rest and rechallenge phase—to detect any delayed hypersensitivity reactions. This test is critical for validating claims like “hypoallergenic,” “non-sensitizing,” and “safe for sensitive skin.”

HRIPT supports global regulatory requirements and assures consumers of the product’s long-term safety and tolerance.

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Purpose of Testing

Claims That Can Be Made Based on Human Repeat Insult Patch Test (HRIPT)
(When conducted under validated protocols like ISO 10993-10 or OECD 406, and dermatologist-supervised)

The HRIPT is a gold-standard clinical study used to assess a product’s potential to cause skin sensitization or allergic reactions over repeated exposure. If a product passes this test, the following claims can be made:

Skin Sensitization & Allergy Safety Claims

  • Dermatologically Tested for Skin Sensitization
  • Clinically Proven Non-Sensitizing
  • Hypoallergenic (only when supported by HRIPT + appropriate subject panel)
  • Does Not Cause Skin Allergies or Sensitization
  • Safe for Repeated Use on Human Skin

Product Tolerance Claims

  • Suitable for Sensitive Skin (if tested on relevant panel)
  • Formulated to Minimize the Risk of Allergic Reactions
  • Gentle on Skin with Long-Term Use
  • No Cumulative or Delayed Skin Reactions Observed

Regulatory & Scientific Claims

  • Tested According to HRIPT Protocols (e.g., ISO 10993-10, HRIPT-50/200 Panel)
  • Meets International Cosmetic Safety Testing Standards
  • Complies with Global Regulatory Requirements for Skin Safety

Accreditation and Certification

Service Locations

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