About us
A French laboratory committed since 1993. A pioneering brand since 2001.

Auvergne-Rhône-Alpes region
Les Trois Chênes — Innovation Laboratory
Founded in 1993 in the Monts du Lyonnais (Villechenève, Rhône), Les Trois Chênes is a French company specialising in health and wellbeing. It develops and distributes care products in pharmacies for the whole family.

Color&Soin — Permanent Hair Colour
Born in 2001 and a pioneer of permanent hair colour with plant-extract care, Color&Soin is now the No. 1 hair colour brand in French pharmacies³. Les Trois Chênes laboratory developed an exclusive formula to colour hair effectively and gently.
Our expertise

Plant-extract formulation
An exclusive blend of 4 cereals (wheat, corn, oat, soy) and oleic acid. Ammonia-free, silicone-free, paraben-free and resorcinol-free¹.

Dermatologically tested
A gentle permanent colour, recommended for women with sensitive hair. 100% of users report being satisfied with grey hair coverage².

Your pharmacist’s advice
Available in 8,000 partner pharmacies. Your pharmacist can help you choose the right shade.
Key milestones
1993
Les Trois Chênes laboratory founded — Monts du Lyonnais
2001
Color&Soin launched — plant-extract colouring in pharmacies
20+ years
Of hair colour expertise
No.1³
Hair colour brand in French pharmacies
2025
Best Pharma Product Award
Our commitments

Available in pharmacies
Available in 8,000 partner pharmacies and online health stores. With your pharmacist’s expert advice.
¹ Substances authorised in cosmetics under certain conditions but not used in Color&Soin, for an informed choice by consumers wishing to avoid these ingredients.
² Study conducted by Expension Consulteam in 2024
³ In France, Gers Sell out data – CMA July 2026