Can i use tretinoin and benzoil peroxcide at the same time?

Acne: You can use both drugs but they dry yuor face and turn it red.

Unsure: "benzoyl peroxide will disable tretinoin leaving the tretinoin useless". Then there is other evidence that this is not so....http://www.ncbi.nlm.nih.gov/pmc/articles/pmc2958193/ "there was no benzoyl peroxide-induced degradation of tretinoin when the optimized formulation of tretinoin gel (0.05%) was admixed with Benzoyl Peroxide Gel (6.26%)" . They both can dry the skin out...