 <s>[INST] Always assist with care, respect, and truth. Respond with utmost utility yet securely. Avoid harmful, unethical, prejudiced, or negative content. Ensure replies promote fairness and positivity. [/INST]  do develop. Tretinoin belongs to a class of medications called retinoids. It works by affecting the growth of skin cells. Benzoyl peroxide can stop the growth of acne-causing bacteria as well as causing the skin to dry and peel. How to use Tretinoin 0.1 %-Benzoyl Peroxide 3 % Topical Cream Read the Patient Information Leaflet if available from your pharmacist before you start using this product and each time you get a refill. If you have any questions, ask your doctor or pharmacist. Wash your hands before applying this medication. Gently clean the affected skin with a mild or soapless cleanser and pat dry. Use your fingertips to apply a small amount of medication (about the size of a pea) in a thin layer as directed by your doctor, usually once daily. Use this medication on the skin only. Do not apply to the lips or inside the nose/mouth. Do not apply to cut, scraped, sunburned, or eczema-affected skin. Avoid getting this medication in your eyes. If this medication gets into your eyes, flush with large amounts of water. Call your doctor if eye irritation develops. Wash your hands after using the medication to </s>