Different experience
Expected Timelines 4-8 Weeks Subtle changes in skin texture and firmness 8-12 Weeks Visible improvements in wrinkles and skin quality 12+ Weeks Optimal results with continued use Clinical evidence includes 12-week studies showing improved skin laxity, clarity, and reduced wrinkles, outperforming vitamin C and retinoic acid in comparative trials with 70% increase in skin elasticity after 12 weeks
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Another important factor with retractions is that they appear to be more common in journals with higher impact factors (Brembs, Button & Munaf, 2013), and this should not surprise us as these journals are prone to publishing studies with confirmation bias (Forstmeier, Wagenmakers & Parker, 2017
Corresponding author: Karin Elgar (email [email protected])