Interesting, and I know
@AndyPanda is a fan of glutathione injections, which are also sold by them:
Buy Cheap Glutathione Injection💊. Reputable online pharmacy since 2003, providing quality medicines at affordable price 💲. Glutathione Injection is composed of three amino acids which is combined to produce a peptide, it is a naturally occurring antioxidant which is essential to optimum health...
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And, as you say, they also sell the tret, e.g.
Buy Cheap A-ret Gel, Tretinoin💊. Reputable online pharmacy since 2003, providing quality medicines at affordable price 💲. A-ret Gel is used for the treatment of acne. A-ret Gel is a retinoid which works to effect the growth of skin cells.
www.buy-pharma.md
https://www.buy-pharma.md/Tretinoin-p-173.html
So Buy-Pharma.MD may be better for skin needs since they also sell the injectables. (For some other issues like heartburn, Reliable Rx and All Day Chemist would be better since they carry vonoprazan, which is not carried by Buy-Pharma.)