Atopic dermatitis(AD)
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: (1) Age >=3 years old and < 18 years old, both sexes; (2) Children with healthy skin in the past and present; (3) Fitzpatrick skin type II-IV (yellow race); (4) The guardian of the subject is willing to give the subject the test product during the whole study period according to the guidance of the doctor Companionship research;
Exclusion criteria
Exclusion criteria: (1) Existing skin diseases in the subject site, or the use of photosensitive drugs (such as tetracycline, antifungal drugs,Some diuretics); (2) Known allergy to the subject sunscreen product; (3) A history of sunburn or light-related skin; (4) Subjects shall not use other similar sunscreen products during the whole study period.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Comparison of the difference in the degree of sun redness (erythema value) of bilateral treatment areas (left and right sides) between the two groups; | — |
Secondary
| Measure | Time frame |
|---|---|
| The insolation degree of each treated area was observed by naked eye for bilateral comparison (bilateral difference scale, erythema score).;Skin barrier physiological parameters (including cuticle water content, TEWL, and melanin value) were compared bilaterally in each treated area;Analysis and comparison of different Fitzpatrick subgroups;The number of resmears during the study period;The adverse reactions and adverse events were observed; | — |
Countries
China