After Sales Service:We guarantee the high quality of the products, if you have any questions or suggestions, please feel free to contact us, we will provide you with the best solution within 24 hours. Customer satisfaction is our only goal. Quality selection:It is oil-free, paraben and sulfate-free, gentle and safe. An indispensable tool for professional salon eyelash care. There will be no allergic reactions. After professional operation of eyelash artist, the eyelashes will show the best results.After professional testing, the shampoo itself is safe and non-irritating, easy to use, and also can be used in family life. What it does:This eyelash cleansing concentrate is designed to create a lathering lash shower shampoo that removes dirt and debris from the lash extension line, extending the life of each set of lashes. Safe enough to be used daily on natural lashes and the entire face for easy makeup removal. According to the ratio of 1:5, put 10ml of the diluent and 50ml of distilled water into a 60ml shampoo bottle, shake it well and use it. Pay attention to reconciling in the correct proportion, otherwise we cannot predict other consequences. The concentrate is the essence, that is, the liquid with few impurities and high purity.As long as you have distilled water, you can make an eyelash shampoo of the correct concentration. Affordable and convenient.