← Back to feed Tech & Digital

Collagen or Biotin for Hair Growth: Which Is Better?

Vogue / 22 May 2026 / 6h ago

Culture Index

Score Breakdown

Relevance

3/25

Freshness

25/25

Authority

25/20

Brand Signal

9/15

Depth

2/15

5-Axis Cultural Radar

Biotin and collagen are the most popular ingredients recommended for hair growth. Here, Vogue explores how they work and which one is better for you.