However, formulation studies often test several active ingredients together, making it difficult to attribute the result to one peptide.[2] A 2026 systematic review and meta-analysis of oral and topical peptides, covering 19 randomised controlled trials and 1,341 participants, found that peptides significantly improved skin hydration and brightness, with a modest pooled effect on wrinkle reduction (mean difference 0.27, p = 0.04)
GLP-1 medications were originally developed for type 2 diabetes , but are now also approved for people with obesity or weight-related health conditions
With Wegovy (aka semaglutide), it was closer to 15% of body weight lost, and with liraglutide (or Saxenda) it was 8%
Tirzepatide is administered as a once-weekly injection of tirzepatide delivered via the KwikPen device
A moisturizer can be applied before or after to buffer ('sandwich' method)
Contains Glutathione 75 mg