Taking a specific type of hyaluronic acid pill every day for a few weeks can make your skin feel more hydrated, no matter your age or skin type—as long as you're a healthy Chinese woman between 18 and 65.
Claim Language
Language Strength
definitive
Uses definitive language (causes, prevents, cures)
The claim uses 'significantly increases' and 'demonstrating a direct causal effect', which are definitive language terms indicating certainty of cause and effect, not probability or association.
Context Details
Domain
medicine
Population
human
Subject
Healthy Chinese women aged 18–65
Action
significantly increases
Target
skin hydration (epidermal water content)
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 (1)
Oral administration of hyaluronic acid to improve skin conditions via a randomized double‐blind clinical test
This study gave women pills containing hyaluronic acid and found their skin got noticeably more hydrated after a few weeks, no matter their age or skin type—just like the claim says.