
Collagen supplements: How long does it take to work on skin and hair? Here's when you can see visible results
TL;DR: When will I see visible results from my collagen supplements? 3–4 weeks: Slight hydration boost, skin looks fresher.8 weeks: Noticeable changes to skin, nails, hair, and joints.3–6 months: Full results—firmer, smoother skin, stronger nails, better …