Use as the first step in a two-part system with no.3 hair perfector.
step 1 : on dry hair, work no.0 into small sections by squeezing the liquid into the hair to be fully absorbed as you go.
step 2 : lightly saturate hair. hair should be damp not drenched. leave on hair for 10 minutes. do not rinse.
step 3 : apply no.3 over the no.0, comb through and leave for at least another 10 minutes.
step 4 : rinse, for best results shampoo with no.4 and condition with no.5

Application tip: no.0 bottle should last 3-6 applications, based on hair length and density.

water (aqua/eau), sodium c14-16 olefin sulfonate, cocamidopropyl betaine, glycerin, sodium cocoamphoacetate, sodium chloride, acrylates copolymer, betaine, phenoxyethanol, fragrance (parfum), polyquaternium-7, bis-aminopropyl diglycol dimaleate, guar hydroxypropyltrimonium chloride, ethylhexylglycerin, hexyl cinnamal, limonene, citric acid, sodium benzoate, acid violet 43 (cl 60730)