Can this make your hair porous and harder to use a toner?

Thank you for your question. I'm a beauty advisor for Pierre Fabre USA, Inc. the parent company of Rene Furterer. TRIPHASIC Strengthening Shampoo is indicated for daily use, and formulated to fortify the hair’s strength, resilience and promote the appearance of healthy-looking hair. For color treated or damaged hair, we would recommend the Okara Collection, or Absolue Keratine.

does this shampo contain any keratin ?

Thank you for your question. I'm a beauty advisor for Pierre Fabre USA, Inc. the parent company of Rene Furterer. FULL INGREDIENTS: WATER (AQUA), DISODIUM COCOYL GLUTAMATE, SODIUM LAURETH SULFATE, INULIN, DECYL GLUCOSIDE, ALCOHOL (ALCOHOL DENAT.), ACRYLATES/C10-30 ALKYL ACRYLATE CROSSPOLYMER, PROPYLENE GLYCOL, PEG-40, HYDROGENATED CASTOR OIL, AGAR, ALGIN, CALCIUM ALUMINUM BOROSILICATE, CITRAL, CITRIC ACID, CITRUS AURANTIUM DULCIS (ORANGE) OIL (CITRUS AURANTIUM DULCIS OIL), DISODIUM ADENOSINE TRIPHOSPHATE, FRAGRANCE (PARFUM), GLYCERIN, HEXYL CINNAMAL, LAURYL BETAINE, LAVANDULA ANGUSTIFOLIA (LAVENDER) OIL (LAVANDULA ANGUSTIFOLIA OIL), LAVANDULA HYBRIDA OIL, LINALOOL, MICA, PEG-30 DIPOLYHYDROXYSTEARATE, PEG-4, PFAFFIA PANICULATA ROOT EXTRACT, PHENOXYETHANOL, POLYQUATERNIUM-39, POLYSORBATE 20, PROPANEDIOL, ROSMARINUS OFFICINALIS (ROSEMARY) LEAF OIL (ROSMARINUS OFFICINALIS LEAF OIL), SILICA, SODIUM BENZOATE, SODIUM CHLORIDE, TIN OXIDE, TITANIUM DIOXIDE (CI 77891), TOCOPHERYL ACETATE, TRIDECETH-6

What hair type (texture) is this shampoo best for?

Thank you for your question. I’m a beauty advisor for Pierre Fabre, the parent company of Rene Furterer. Triphasic Strengthening Shampoo is the first step of our thinning hair protocol. This invigorating, frequent-use shampoo is formulated to fortify the hairs' strength, resilience and promote the appearance of healthy-looking hair, by addressing the factors that contribute to progressive and reactional hair thinning in men and women. It is suitable for all hair types.

Can it be used on keratin treated hair?

Thank you for your question. I'm a beauty advisor for Pierre Fabre USA, Inc. the parent company of Rene Furterer. We would recommend waiting to use Triphasic Strengthening Shampoo 48 hours before or after any in-salon treatment.