@kbeauty_nana: How to use retinal the right way 👇 Neck wrinkles? YES ✅ Mix 1:1 with moisturizer. Slather it on? NO ❌ A pea-sized amount is enough. Purging? YES ✅ Keep going if it doesn’t burn. Hydrate well. Morning use? NO ❌ Nighttime only. Sunscreen every day? YES ✅ More benefit, less irritation. Pregnancy-safe? NO ❌ Use bakuchiol instead. Old opened retinal? NO ❌ Use within 6 months if possible. #retinal #retinol #koreanskincare #celimaxretinal #wrinkle