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- Tresse Paris
Plant-based hair color certifications: what really guarantees 100% natural?
2026-05-30With so many labels on the market, how do you know which certification truly guarantees a plant-based hair color free from harmful substances?
- Tresse Paris
Plant-based hair dye after a Brazilian blowout or keratin treatment
2026-05-21Brazilian blowout and plant-based dye: wait 4 to 6 weeks for better pigment absorption and an optimal result.
- Tresse Paris
Plant-Based vs Chemical Hair Colour: Complete Comparison
2026-04-25Plant-based or chemical hair colour? This complete comparison covers ingredients, results, hair health, longevity and cost.
Plant-Based Colour After Highlights or Balayage: Is It Compatible?
2025-11-22Can plant-based colour be applied over highlights or balayage? The answer is yes — with the right expectations and precautions.
Tresse Paris, Winner of the NatexBio Challenge 2024
2025-10-26Tresse Paris won the NatexBio Challenge 2024, which rewards the most innovative French organic companies — a distinction that honors our commitment to 100% organic, plant-based coloring.
Cosmos Organic certification: the guarantee of true herbal hair color
2025-10-26The Cosmos Organic label, recognized by Cosmebio and Ecocert, guarantees a genuine plant-based color: 100% natural, organic, free of chemical additives, and respectful of the hair.
Can you do a herbal hair color after a chemical dye?
2025-10-23Yes, it’s possible to switch to herbal hair color after a chemical dye, provided you properly prepare your hair with an appropriate detox treatment.