Hair straightening - Lissit Concept

High precision permanent straightening

Permanent straightening treatment to be diluted to the strength suited to every hair type.*


  • Contains thioglycolic acid and bamboo extract with regenerating and remineralizing properties.
  • Suitable for all types of curly and wavy hair.
  • Development time: 20 minutes, including application time, and depending on hair type and porosity.


Lasts for 3-6 months, depending on hair type.

Ideal for :

  • straightening crimped, curly, wavy and frizzy hair.
  • reducing hair volume.
  • makes detangling easier.
  • smoothing out a perm that has become unsightly.
  • partial smoothing to achieve ultraglamorous results.

Leaves hair smooth, soft and shiny.

* Do not apply to very sensitized hair (bleached, highlighted, etc.)
Do not apply to hair that has been relaxed with analkaline relaxer.


After carrying out a precise diagnosis, select the corresponding straightening strength by mixing together the two products

Relaxing cream  plus conditioning cream


 Hair type

Relaxing cream dose

Conditioning cream dose

1  Natural resistant hair  4  
2  Sensitized or fine natural hair  3  1
3  Sensitized color-treated hair  2  2
4  Very sensitized hair  1  3

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