The irritation test of shower gel from Acorus calamus and Litsea cubeba on human skin

The irritation test of shower gel from Acorus calamus Linn. and Litsea cubeba (Lour.) Pers. on human skin

Status

Active, not recruiting

Phases

Phase 1

Study type

Interventional

Source

TCTR

Registry ID

TCTR20210618001

Enrollment

Registered

2021-06-18

Start date

2021-03-08

Completion date

Unknown

Last updated

2026-03-30

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

Conditions

Healthy Thai volunteers shower gel skin irritation satisfaction

Interventions

shower gel with extracts

Active Comparator Other

Shower gel

Eligibility

Sex/Gender

All

Age

20 Years to 55 Years

Inclusion criteria

Inclusion criteria: Healthy volunteer aged between 20-55 years old are available for the study duration. All participants received the relevant information and were required to sign an informed consent agreement before performing the test.

Exclusion criteria

Exclusion criteria: They had any of the following: contact dermatitis or any allergic reactions on the region of product application, a history of allergic reactions to topical cosmetic products, or the use of immunosuppressants, nonsteroidal anti-inflammatory drugs, antihistamines, and cor-ticosteroids. 2. Females who were pregnant or lactation.

Design outcomes

Primary

Measure	Time frame
Skin Irritation and Satisfaction of Anti Acne Shower Gel Containing Litsea cubeba (Lour.) Pers. and Acorus calamus L. Extracts 1 week patch test	—

Secondary

Measure	Time frame
Skin Irritation and Satisfaction of Anti Acne Shower Gel Containing Litsea cubeba (Lour.) Pers. and Acorus calamus L. Extracts 1 week patch test	—

Countries

Thailand

Contacts

Public ContactNittiya Suwannasom

School of Medical Sciences, University of Phayao

nittiya.su@up.ac.th0646271755

Outcome results

None listed

Source: TCTR (via WHO ICTRP) · Data processed: Apr 4, 2026