Human patch test to assess irritation of hair care and skin care products on healthy skin

Human patch test to assess irritation of hair care and skin care products on healthy skin - Hair care/skin care patch test research

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000055080

Enrollment

Registered

2024-07-26

Start date

2024-05-08

Completion date

Unknown

Last updated

2026-06-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Healthy subjects

Interventions

Placing combined hair care/skin care products on healthy skin

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1. 18 years old and older, Japanese 2. Signed informed consent

Exclusion criteria

Exclusion criteria: 1. Currently attending or hospitalized patients with any diseases (including non-dermatological diseases) and/or patients on steroids 2. Pregnant woman or possibly pregnant woman 3. Difficult to perform patch tests on their back with eczema lesions 4. Known history of contact dermatitis with ingredients in the sample of current study 5. Difficult to pursue both 48hrs and 72hrs check-up 6. Sensitive to alcohol 7. Unable to comply with prohibitions during the study 8. Considered by the investigator or any sub-investigator as inappropriate for this study for any reason

Design outcomes

Primary

Measure	Time frame
Patch test positive rate	—

Countries

Japan

Contacts

Public ContactKiyoko Uno

Teikyo University Academic Research Center

kiyoko.uno@med.teikyo-u.ac.jp0339641211

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026