1 Toner 2 Serum 3 Moisturizer 4 Sunscreen 5 Lip protector Here is my simple morning skin care routine Key points about using this product :The ordinary Niacinamide 10 Zinc 1% • Apply a small amount: A few drops are enough to cover your entire face.  • Morning and evening application: You can use this serum both in the morning and evening routine.  • Layer correctly: Apply it after cleansing and before heavier creams or oils.  • Potential skin concerns: This product is particularly beneficial for oily skin types as it helps regulate sebum production.  • Do not mix with Vitamin C: Avoid using this serum with pure Vitamin C products at the same time, as they can interfere with each other.