Centella is one of the most widely used botanicals in dermatology — but the activity sits in two specific triterpenes, and the extract you buy determines whether they are there.
Squalene is chemically identical whatever its source. The differentiation is purity, traceability, and whether the extraction was tuned for squalene at all.
ISO 3632 grades saffron on three compounds, not one. Most commercial extracts standardize to the cheapest of them to measure.
Two compounds do almost all of the work in ginger extract — 6-gingerol and 6-shogaol — and they don't share a processing history, a mechanism, or a research base.
Bakuchiol has been marketed as a 'natural retinol alternative' for years — here's what separates a defensible comparison from a marketing claim.
Arceli Lifescience