A few brands will obscure their name further, keeping anyone who keeps track of your bank statements off your trail, but it isnt a particularly common bonus
doi: 10.1101/cshperspect.a028175 308 PeplingME
Combined with a 20,000 ppm concentration of niacinamide, this blend actively smooths the skins surface, visually refines pores, and strengthens natural protection
If the therapeutic target is inside the gastrointestinal tract, poor absorption into the bloodstream is not a bug it is arguably a feature, because it keeps the active molecule concentrated where it is needed and limits systemic exposure
However, its mechanism of action needs to be further studied (Zhao et al., 2011)