The invention relates to a Pickering-type emulsion, in particular a cosmetic emulsion, comprising: (a) at least one synthetic phyllosilicate of molecular formula Mg3Si4O10(OH)2 (b) at least one aqueous phase and (c) at least one oil phase. The invention also relates to the use of the synthetic phyllosilicate as an agent for stabilising the emulsion, a method for producing the emulsion, and a cosmetic treatment method comprising the application of the emulsion to the skin and/or nails.