Microfibrous cellulose (MFC) broths are provided having improved performance as compared to wet cake microfibrous cellulose (MFC) and powdered microfibrous cellulose (MFC). In embodiments, compositions having an effective amount of an MFC broth and an effective amount of a surfactant have an improved yield value as compared to a composition having a surfactant and a wet cake MFC, a powdered MFC, or a combination thereof at the same concentration as the MFC broth. Also, methods are provided for improving the yield value of surfactant compositions by adding an effective amount of a microfibrous cellulose broth to an effective amount of surfactant to provide a surfactant composition having a yield value that is higher than a composition having the surfactant and a wet cake MFC, a powdered MFC, or a combination thereof at the same concentration as the microfibrous cellulose broth.La présente invention concerne une cellulose microfibreuse (MFC) sous forme de bouillon qui, à concentration élevée ou basse, permet de conférer aux systèmes de tensioactifs une contrainte d'écoulement plus élevée par gramme de cellulose que les formes antérieures de MFC disponibles dans le commerce.