We live in a world full of influencers pushing us products promising to keep us looking bouncy and youthful forever. 

Collagen is a hugely important protein that does play a role in plumping up our skin — as well as supporting muscles, bones and connective tissues. 

Norman and Tegan find out how effective collagen supplements are in skin care, and which kind you should look out for if you want to see results.  

What's That Rash? is on YouTube! Subscribe to ABC Science to watch the podcast. 

References:

• Decreased Collagen Production in Chronologically Aged Skin
• Effects of Oral Collagen for Skin Anti-Aging: A Systematic Review and Meta-Analysis
• Effects of hydrolyzed collagen supplementation on skin aging: a systematic review and meta-analysis
• Oral Collagen Supplementation: A Systematic Review of Dermatological Applications
• The impact of collagen protein ingestion on musculoskeletal connective tissue remodeling: a narrative review