[13] [15] Post-marketing use of azelaic acid has been associated with the development of hypersensitivity reactions (including angioedema, ocular inflammation, facial swelling, and urticaria) and asthma exacerbation (i.e., dyspnea, wheezing)
Compared to retinol, GHK-Cu Repairs without damaging the skin barrier It is gentler and better tolerated Supports healing instead of causing controlled injury While both these anti-aging solutions are effective, GHK-Cu may be a better and more comfortable option for people with sensitive skin or long-term use
more research needed." Pso Pscience Issue 9, by Dr David Ashton, distils these for better, personalised care.
No mess
Understanding posttraumatic stress disorder through fear conditioning, extinction and reconsolidation