Taking a daily supplement of sodium hyaluronate for 3 months can make your face skin noticeably more hydrated—about 11.5% more—than if you didn’t take it.
Claim Language
Language Strength
definitive
Uses definitive language (causes, prevents, cures)
The claim uses 'significantly increases', which implies a direct, measurable, and causal effect with statistical certainty, characteristic of definitive language in scientific claims.
Context Details
Domain
medicine
Population
human
Subject
Oral sodium hyaluronate (120 mg/day)
Action
significantly increases
Target
facial skin hydration
Intervention Details
Gold Standard Evidence Needed
According to GRADE and EBM methodology, here is what ideal scientific evidence would look like to definitively prove or disprove this specific claim, ordered from strongest to weakest evidence.
Evidence from Studies
Supporting (3)
Oral sodium hyaluronate improves skin hydration, barrier function and signs of aging: a randomized, double-blind, placebo-controlled trial in 150 healthy adults
This study gave people 120 mg of sodium hyaluronate daily for 12 weeks and found their skin got noticeably more hydrated — just like the claim says.
Oral Hyaluronan Relieves Wrinkles and Improves Dry Skin: A 12-Week Double-Blinded, Placebo-Controlled Study
This study gave people a daily pill of hyaluronate for 12 weeks and found their skin got noticeably more hydrated compared to those who took a fake pill — just like the claim says.
Oral administration of hyaluronic acid to improve skin conditions via a randomized double‐blind clinical test
This study gave people pills containing hyaluronic acid and found their skin got noticeably more hydrated after 12 weeks — just like the claim says, even if it didn’t measure the exact 11.5% number.