Can eating jelly-like stuff make your skin less dry?
Ingested hyaluronan moisturizes dry skin
Not medical advice. For informational purposes only. Always consult a healthcare professional. Terms
Some people eat a substance called hyaluronan, which is naturally in our skin, to help keep their skin moist. Studies show it might work even when swallowed, not just rubbed on.
No biological mechanisms were identified in this study. This may be an epidemiological, observational, or survey-based study that reports associations rather than proposing causal biological pathways.
Systematic Reviews & Meta-Analyses
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Max 72Case-Control Studies
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Evidence Score
Based on clinical experience or non-systematic literature reviews. The lowest level of evidence as they are most susceptible to bias and personal perspective.
Not medical advice. For informational purposes only. Always consult a healthcare professional. Terms
Some people eat a substance called hyaluronan, which is naturally in our skin, to help keep their skin moist. Studies show it might work even when swallowed, not just rubbed on.
No biological mechanisms were identified in this study. This may be an epidemiological, observational, or survey-based study that reports associations rather than proposing causal biological pathways.
Systematic Reviews & Meta-Analyses
Max 100Randomized Controlled Trials
Max 90Cohort Studies
Max 72Case-Control Studies
Max 58Cross-Sectional Studies
Max 44Case Reports & Case Series
Max 30Expert Opinion & Narrative Reviews
Max 51 / 5
Evidence Score
Based on clinical experience or non-systematic literature reviews. The lowest level of evidence as they are most susceptible to bias and personal perspective.
Publication
Authors
Kawada C, Yoshida T, Yoshida H, Matsuoka R, Sakamoto W, Odanaka W, Sato T, Yamasaki T, Kanemitsu T, Masuda Y, Urushibata O
Related Content
Claims (5)
Taking hyaluronan by mouth might help your skin stay hydrated for up to two weeks after you stop taking it, maybe because it slows down how fast your skin sheds its outer layer and keeps your skin cells active longer.
Taking hyaluronan pills every day for about a month or two may help make dry skin on your face and arms more moisturized, according to studies done on Japanese adults.
Taking hyaluronan by mouth might help your skin make more of its own hyaluronan and boost skin cell growth, according to lab and animal studies.
Taking hyaluronic acid by mouth might help keep your skin more hydrated, especially if you're Chinese or have mixed heritage, but the studies so far aren't very reliable.
People who swallow hyaluronic acid supplements—whether they’re big or small molecules—tend to have moister skin, which suggests the size of the molecule doesn’t matter for this effect.