Each gram contains: Tretinoin Gel is a translucent to opaque, pale yellow gel containing 0.05% tretinoin, by weight. Other components of this formulation are benzyl alcohol, butylparaben, butylated hydroxytoluene, carbomer homopolymer Type C, ethylparaben, fish collagen hydrolyzates, glycerin, isobutylparaben, methylparaben, octoxynol 9, phenoxyethanol, propylparaben, purified water, sodium hyaluronate, and trolamine