Answer
They have the same licensed acne role. The cream is described as better suited to dry and fair skin, while the gel contains propylene glycol, which can itself irritate skin.
Sources for this answer
- Differin Gel — Current selected SmPCemc · Summary of Product Characteristics
- Differin Cream — Current selected SmPCemc · Summary of Product Characteristics
General medicine information. Follow the instructions for your own medicine and speak to a pharmacist or clinician about your individual circumstances.