Healthy Thai volunteers Skin irritation, patch test
Conditions
Interventions
Rang Chuet Cream 1, Rang Chuet Cream 2, Rang Chuet Cream 3 and NatureHinzz Cream
Experimental Other
Sponsors
NOVA HEALTH COMPANY LIMITED
Eligibility
Sex/Gender
All
Age
20 Years to 50 Years
Inclusion criteria
Inclusion criteria: 1. Healthy male and female volunteers of all skin types with an age range of 20 - 50 years old 2. Free of any wound, scar or visible skin disease on the lower forearm area 3. Willing to participate in the study after being informed on objective, methodology, possible risk and effect of the study 4. Be able to read, communicate and write in Thai 5. Willing to sign consent of the volunteer
Exclusion criteria
Exclusion criteria: 1. History of hyperallergic reaction 2. History of allergy to any cosmetic products 3. History of allergy to Rang Chuet (Thunbergia laurifoli Leaf extract) or other Rang Chuet containing product 4. History of eczema or psoriasis within 6 months before the study 5. History of medical treatment with steroids, antibiotics, NSAIDs, anti-histamine within 3 days before the study 6. History of using topical medicine on the lower forearm area within 3 weeks before the study 7. Having any disease that requires regular topical treatment on the lower forearm area 8. History of major operation within 1 year 9. History of skin cancer within 1 year 10. Heavy smoker or regular alcoholic drinker 11. Pregnancy or lactation 12. History of addiction to any narcotic substances Note: Regular smoking was defined as smoking at least 1 cigarette/day Regular drinking was defined as consuming at least 1 glass/day or 250 ml/day
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Skin irritation and safety of cosmetic products 24 hours Patch test | — |
Secondary
| Measure | Time frame |
|---|---|
| N/A N/A N/A | — |
Countries
Thailand
Contacts
Public ContactNeti Waranuch
Cosmetics and natural products research center, Naresuan university, Phitsanulok, Thailand 65000
Outcome results
None listed