@officialmedik8: Retinal vs. Tretinoin: Consultant Dermatologist @drderrickphillips explains the difference between these popular retinoids and why Crystal Retinal is his non-prescription, over-the-counter retinoid of choice 💎 ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀ #CrystalRetinal #Retinol #Retinal #Retinoids #Medik8 #Skincare #AntiAgeing #AntiAging