Definitions
NAD+ face cream and exosome serum are not interchangeable actives
NAD+ means nicotinamide adenine dinucleotide, a coenzyme involved in cellular metabolism and vitamin B3 biology. Exosome skincare usually refers to products marketed around extracellular vesicles or vesicle-like ingredients, but labels, source material, processing, and evidence can vary widely. A useful comparison starts with product identity, route, claim discipline, formula transparency, and whether the concern is cosmetic or medical.
- NAD+ is not a peptide, and topical NAD+ face cream should not be described as an FDA-approved finished drug for anti-aging, acne, melasma, scar repair, wound healing, or hair regrowth.
- Exosome or extracellular-vesicle products should not be assumed to be FDA-approved anti-aging, skin-repair, hair-regrowth, or procedure-recovery treatments because marketing sounds regenerative.
- For either category, responsible language stays focused on cosmetic support, tolerability, source transparency, and when dermatology care is needed.