We use Google Analytics to see which articles get read. You can accept or decline analytics cookies. See our Privacy Policy.
Collagen, peptides and retinoids: what the ageing-skin research supports, and where the marketing runs ahead of it.
5 articles
Bakuchiol is marketed as a gentler, plant-derived stand-in for retinol. The headline study behind that claim is smaller and more caveated than the marketing suggests — here's what the evidence actually supports.
Read article
Peptides get sold as everything from 'Botox in a bottle' to a collagen cure-all. They're a broad category, not one ingredient — and what they can actually do depends entirely on which peptide you mean.
Read article
Growth factor serums can cost hundreds of pounds on the promise of cellular regeneration. They're not peptides — they're much larger proteins facing much bigger delivery problems, and the evidence hasn't caught up with the price tag.
Read article
Of all the peptides sold on anti-ageing claims, copper peptides (GHK-Cu) have the strongest research behind them — genuine wound-healing evidence, and cosmetic trial data that's real but more modest than the marketing suggests.
Read article
Copper peptides and Matrixyl have genuine clinical evidence behind them. 'Topical Botox' peptides mostly don't. Here's a category-by-category audit of what the research actually supports, and why in vitro results can't be trusted at face value.
Read article