Our colour care shampoo bar has been formulated specifically to help hold and enhance your natural chemically coloured hair. Quinoa Protein is also fantastic to bring out natural colour highlights.  Soap Free - Sulfate Free - Silicone Free - Paraben Free - Protein Enriched - Ph Balanced - Suitable For Coloured Hair - Vegan Friendly - 40+ Washes - Vitamin B5 – Zero-waste - Rich Creamy Lather + 100% Australian Made. Quinoa protein contains 17 amino acids . That's great news for your hair. The amino acids are both cationic and anionic. What this means is that the cationic amino acids that are positively charged can bind to the cuticle providing protection while the anionic amino acids help barrier function so that you get great, long lasting colour.