Patents/Inventors

Olivier Guerard

Aulnay-Sous-BoisFR1 patent

2 Patents

US122331462025
Process for Dyeing Keratin Fibers Using a Direct Dye and a Saccharinate Salt and Composition Comprising Them
L'OREAL
0 cites
US116727472023
Process for Dyeing Keratin Materials Using a Direct Dye and an Aliphatic Ammonium Salt, and Composition Comprising Same
L'OREAL
0 cites