Hey @escape road, I totally feel you on the ingredient testing obsession — that “before I commit, I must try all versions” mindset is something only true formulation nerds get. I’ve also noticed wild inconsistencies in what should be “identical” synthetics.
Ever noticed the color change in creams with salicylic acid? It’s like a chemistry experiment on your skin! The shift to pink or brown might be influenced by pH or the formation of salts. Science meets skincare in the most colorful way.