✔   How to choose pigments for lips, eyebrows and eyeliner to obtain opaque effect?

✔   What causes “discolor”, color fade or the color does not come out as you have            expected?

✔   How to check if you are using the right pigments and correct colors for your                 eyebrows, lips, or eyeliners?

✔   What affects the durability of pigments placed in the skin?

✔   How to choose the colors for the customer's skin?