The present invention relates to a cosmetic composition in the form of an oil-in-water emulsion comprising: (i) at least one C16-C30 fatty alcohol; (ii) at least one anionic surfactant of general formula (I): RCOY(CH2)nSO3M; (iii) at least one oil; (iv) at least one wax, and (v) at least one hydrophilic solvent, the weight ratio of anionic surfactant(s) of general formula (I)/fatty alcohol(s) ranging from 1/5 to 1/3, said composition comprising from 1% to 10% by weight of wax(es) relative to the total weight of the composition. The present invention also relates to a process for preparing said composition and a cosmetic makeup and/or care process.