Niacinamide, kojic acid, and alpha-hydroxy acids : Commonly used brightening ingredients with a generally favourable tolerability profile
Insulin increases angiogenic and inflammatory mediators in retina The early worsening of DR has been consistently reported with the use of insulin and insulin secretagogues such as SUs and semaglutide [2,3,4,5, 9, 49], but not with insulin-independent antidiabetic agents like metformin or empagliflozin [6,7,8, 49]
That rule has changed now
SO glad I tried this one
Pickart noted that GHKs ability to change the pattern of gene expression helped support the idea that GHK may help slow or suppress cancer growth. A 2017 paper by Pickart et al
The evidence: There are decades' worth of scientific research into the role of NAD+ in the body