FAQ - Frequently Asked Questions

  • How long after the application until hair can be washed?

    Right away. Remember, during the application process the customer should, at various points, thoroughly rinse their hair to remove all of the product.

  • Does X-Liso work for all hair types?

    Yes, X-Liso is effective on all hair types. However, very damaged hair should be pre-treated before applying the product.

  • Can the product be applied after applying a smoothing or relaxation treatment?

    Yes, but the hair must be in good condition. X-Liso is completely compatible with all other hair treatments on the market, such as ammonium thioglycolate, guanidine and sodium hydroxide. However, we do recommend waiting at least one week.

  • Can the product be applied to color treated hair?

    Yes, but the hair must be in good condition. Also, there is a chance that the color of the hair could change.

  • Can hair be dyed after applying X-Liso?

    Yes but it may decrease the life span of the straightening treatment.

  • Can the product be used by children or pregnant women?

    Yes. However, pregnant women should consult their doctor before using any new product or undergoing any new procedure, including aesthetic procedures.

  • What’s the total application time?

    Roughly 2 hours.

  • How long does the result last?

    On average 2-3 months. This depends on the hair type and the level of post treatment maintenance.

  • What is the correct temperature for the flat iron?

    For non-damaged hair: 230 degrees
    For damaged hair: up to 190 degrees

  • What products do you recommend for maintenance?

    We recommend applying the X-Liso Nutritive Home Care Line. The Nutritive Shampoo and the Nutritive Leave-In must be used everyday to keep the hair clean, while the Nutritive Mask must be used once a week.