This lip serum set uses a special formula to make organic pigments show wonderful colors, and the essence supports the color development, moisturizing and regeneration of the lips. The harmonious combination of the two will show a perfectly upgraded performance. Compare to semi permanent makeup, BB lip serum kit is much less painful and take much less time to recover. BB Lip Serum improves the look of all skin types: dry, oily or in-between. It moisturizes dry Lip, while also not causing any oiliness. Everyone can use it. There are four colors in this set, each with two bottles, and it is also equipped with exfoliating essence before lip procedure and care essence after lip procedure to ensure the entire lip procedure. Do not operate it by yourself, use it under the guidance of professionals. Warning: Do not let the pigment and serum touch with the skin other than lips. It is very hard to erase because of strong color tinting strength. To prevent this, apply cleansing gel around the lips before procedure.