Opaque hard capsules, yellow body and blue cap approximately 16 mm long and 6 mm wide, of which the body is printed with "RCB 50" and the cap is printed with "Pfizer" in black.
Each hard capsule contains ritlecitinib tosylate equivalent to 50 mg ritlecitinib.
Excipient(s) with known effect: Each hard capsule contains 21.27 mg of lactose monohydrate.
Excipients/Inactive Ingredients: Hard capsule content: Cellulose microcrystalline, Lactose monohydrate, Crospovidone, Glycerol dibehenate.
Hard capsule shell: Hypromellose (E464), Titanium dioxide (E171), Yellow iron oxide (E172), Brilliant Blue FCF (E133).
Printing ink: Shellac, Propylene glycol, Ammonia solution concentrated, Black iron oxide (E172), Potassium hydroxide.