Effect of Hyaluronic Acid Supplement on Skin Elasticity

Oral intake of a new full-spectrum hyaluronan improves skin profilometry and ageing: a randomized, double-blind, placebo-controlled clinical trial (2021)

Oral Hyaluronan Relieves Wrinkles and Improves Dry Skin: A 12-Week Double-Blinded, Placebo-Controlled Study (2021)

Ingestion of an Oral Hyaluronan Solution Improves Skin Hydration, Wrinkle Reduction, Elasticity, and Skin Roughness: Results of a Clinical Study (2017)

Oral hyaluronan relieves wrinkles: a double-blinded, placebo-controlled study over a 12-week period (2017)