Persons not suffering from any disease (excluding persons under 18 years of age, pregnant or nursing mothers)
Conditions
Interventions
None listed
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: A systematic literature search is performed through scientific and clinical trial registries databases. The selection criteria are as follows. P-Persons not suffering from any disease (excluding persons under 18 years of age, pregnant or nursing mothers) I-Intervention: Oral intake of astaxanthin-containing foods (tablets, capsules, granules, beverages, foods). Compositions containing other ingredients (compositions that also contain ingredients other than astaxanthin as the test substance are excluded.) Combination compositions with other ingredients (compositions that contain ingredients other than astaxanthin as the test substance will be excluded). Astaxanthin intake should be between 0.4 and 30 mg/day. C-Control: The comparison control will be the consumption of a placebo food that does not contain the relevant functional substances. O-Outcome: The primary outcome will evaluate the ability to help protect skin moisture. The effect on skin moisture will be evaluated. Specifically, Skin moisture content and Transepidermal water loss are used as endpoints, and both outcomes will be evaluated comprehensively. S-Study design: Randomized, quasi-randomized, and non-randomized controlled trials (parallel group or crossover controlled trials) will be included.
Exclusion criteria
Exclusion criteria: Studies which do not meet the key inclusion criteria will be excluded.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| The primary outcome will evaluate the ability to help protect skin moisture. The effect on skin moisture will be evaluated. Specifically, Skin moisture content and Transepidermal water loss are used as endpoints, and both outcomes will be evaluated comprehensively. | — |
Countries
Japan
Contacts
FUJIFILM Corporation Consumer Healthcare Business Div.