No, Liso Perfecto is a formol-free smoothing treatment, and does not release formaldehyde in the ironing process.

These products are not recommended for pregnant women and women who are breastfeeding.

Can be used for girls 9 years and older.

Liso Perfecto: every 3 months.

Liso Perfecto con Aminoácidos: every 15 days.

To improve the way in which it is applied and to lighten the application process. The liquid texture provides better product performance in both application and effectiveness.

If you used acidic alicers you can use it (like Recamier's keratin and similar).

If you used potato based alicer, hydroxide based alicer, glycolic based alicer, or thioglycolic alicer, or alicer that need a neutralizer like the trademarks: ORGANIX, LA RUBIA Y LA MORENA, HAIR RELAXER, LOVE LEE. At least 3 months must have passed since the last application.

And a compatibility test should be done on a strand of hair verifying that no hair fiber breakage occurs.

It is recommended to apply Liso Perfecto before dyeing or lightening.

The process of straightening through the use of the hair straighteners can raise the tone of the hair making it lighter.

Yes, you must take into account that if you want very light colors, gray hair will only have a reflection of the color.

It is possible only if you have healthy hair fiber. It is advisable to wait 8 days.

If the technique is very well done and the hair fiber is healthy, up to 9 shades of lightening can be obtained with the bleach. Remember that the lightening must be supervised every 15 minutes verifying the state of the hair fiber.

Yes, this molecule is indispensable for the development of color and the penetration of pigments into the hair fiber.

Overtones deposit color on the surface of the hair, therefore, they do not penetrate and do not stain.

All our brand shampoos are salt and paraben free.