Current treatments to remove scars and keloids are often ineffective and can leave behind damage or discoloration of their own. The use of chemotherapy agents like tamoxifen has shown successful results in decreasing the growth of keloids without the side effects of other treatments. Tamoxifen downregulates TGF-beta production in keloid fibroblasts.
https://www.ncbi.nlm.nih.gov/pubmed?term=9600433
