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Pickering emulsions stabilized by solid particles have captured a growing interest recently due to their outstanding stability. Among various solid stabilizers, cellulose nanocrystals (CNCs) mainly from agricultural and forestry wastes have emerged as promising materials in Pickering emulsions application due to their favorable properties such as nanostructure, high aspect ratio, biocompatibility, amphiphilicity, low toxicity, and renewability.

In this review, the source and extraction methods of CNCs are summarized briefly. Then, the recent advances in CNCs stabilized Pickering emulsions are highlighted, including the factors affecting the emulsification performance of CNCs itself and the synergistic effect induced by other substances. Furthermore, the food-related research, safety issue and the promising research trends of CNCs stabilized Pickering emulsions are also outlined.