Ever wondered if that $180 serum promising "bioregenerative cellular renewal" is actually worth it, or if you're just paying for fancy marketing wrapped around water and fragrance? In this episode, Sarah Ling-Miller breaks down exactly what to look for on ingredient labels so you can spot genuine cell-renewal actives from overpriced fluff in about thirty seconds. Whether you're navigating the skincare aisle between conference calls and bedtime stories, this is your cheat sheet for evaluating growth factors, peptides, and stem cell extracts—including the minimum effective concentrations and price-per-ounce metrics that separate real science from expensive water.

• Epidermal Growth Factor (EGF) is effective at just 0.1 parts per million, and budget options at $18 per ounce deliver the same concentrations as luxury brands charging $300 o ...