the economic situation is difficult without knowledge of the products .. the explanation on the product, its advantages and its mode of employment remain essential for a successful sale .. the sales force is our best ally in front of many competitors. the use of all the products gives credit to the professionals who sell them and use them. The customer needs to know the essence of the composition and put on the clarity of its components. The price remains secondary if the product satisfies the user who uses it.A good product used for the good needs .A Every scalp and every hair nature, the needs are different and nobody other than a professional well trained can not answer his questions .. when we see the customers in a super market what do she ?? they look at the packaging, feel the product or try somehow to decipher the components .bref it make the feeling or trust a beautiful advertisement to choose their shampoo, care or styling agent. Yes the situation is difficult but without knowledge products it becomes impassable .. this is also valid for our hairdresser! the fashion changes, the gestures are perfected, the knowledge in technical products and the colorimetry are essential for an optimal results expected by the client Without this knowledge it is impossible to do a good joband above all, it is dangerous to put the health of our customers at stake with chemicals whose danger we do not measure if they are misused. Colorimetry is the key to a beautiful color. The hairstyle is a beautiful job. By remaining professional we will regain the trust of customers, this is what we are sorely lacking and that makes the situation difficult.