UVB-induced hyperpigmentation (Post-inflammatory hyperpigmentation following ultraviolet B exposure) in individuals with Fitzpatrick Skin Type IV. Red orange extract, UVB-induced hyperpigmentation, Sunscreen agents, Fitzpatrick Skin Type IV, Melanin index
Conditions
Interventions
Participants will apply redory serum and redory sunscreen SPF50 ,Participants will apply placebo serum and placebo sunscreen once
Experimental Other,Placebo Comparator Other
Citrus Sinensis Fruit Extract serum and sunscreen,Placebo
Sponsors
None listed
Eligibility
Sex/Gender
All
Age
20 Years to 55 Years
Inclusion criteria
Inclusion criteria: 1.Thai nationals of any gender aged between 20 to 55 years 2.Volunteers must have Fitzpatrick skin type IV
Exclusion criteria
Exclusion criteria: 1.Volunteers who develop skin reactions such as rash, erythema, or pruritus after applying the product. 2.Occurrence of severe adverse events during the study period. 3.Pregnancy or lactation during the course of the study.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Reduction in UVB-induced hyperpigmentation 7 weeks Hyperpigmentation assessment | — |
Secondary
| Measure | Time frame |
|---|---|
| Skin irritation or adverse reactions 7weeks questionnaire | — |
Countries
Thailand
Contacts
Public ContactSarachon Paruang
Dhurakij Pundit University
Outcome results
None listed