What sets retinal apart from traditional retinol? Dermatology PA @sighlurskin explores the science behind retinaldehyde and shares expert guidance on choosing the best Crystal Retinal strength for you. Now available at @sephora and @sephoracanada. Which strength is currently part of your routine? #Medik8 #CrystalRetinal #Retinal #Retinol #SkinTok #fyp