What can I add?

What would be the best order to use these products, what could I add that reacts well with the products I have?

I would like to add a retinol but I have sensitive dry skin or some medik 8 products

Cerave smoothing cleanser Cerave hydrating cleanser Sometimes farmacy green clean instead of smoothing cleanser Caudalie grape water mist Farmacy vit c Caudalie grape water mist Farmacy honey halo moisturiser ^ Am Same for the PM apart from sometimes farmacy honey moon glow