Retinol or Retinal – does it really matter which
Retinol vs Retinal — Does It Really Matter Which One You Use? Evidence-led skincare • Santi London Retinoids are the backbone of modern skincare. But should you choose retinol or retinal (retinaldehyde)? Here we unpack the science, potency, tolerability and how to pick the right option for your skin. Contents What are retinoids? The conversion