Strong evidenceamino_acid
Collagen for Dry Skin
Oral collagen peptides accumulate in dermal layer, increasing fibroblast density and collagen/elastin production.
How strong is the research?
Strong evidence
Based on a randomised controlled trial (RCT) — the gold standard for establishing cause and effect.
How much to take
2.5–10 g
Visible effects typically after 4-8 weeks. Lower doses (2.5-5g) may be sufficient for skin benefits.