Why the nose might look smaller
Isotretinoin changes oil-gland activity, although the prescribing information says its exact mechanism is unknown. It says the temporary drop in sebum, or skin oil, reflects smaller sebaceous glands and inhibited gland differentiation. A small study also found thinner skin and soft tissue over the nose during treatment.
Together, those changes could make the outside of the nose look slightly different. That is a reasonable explanation, not a proven cosmetic effect: the researchers measured tissue thickness, not how the nose looked or whether its overall size changed.
What the nasal study did not test
The study did not measure nasal bones or cartilage, so it cannot show whether either one changed.
The tissue covering the nose may change without evidence that the underlying framework became smaller. These results do not support calling Accutane a nonsurgical nose job.
Would the change be permanent?
We do not know. The researchers measured nasal tissue at months two and four, while treatment was still underway, and did not check it after treatment ended.
The prescribing information says the reduction in sebum is temporary. It does not say whether the measured skin and soft-tissue changes last, so a permanent change in appearance should not be assumed.
Do not take Accutane to make your nose smaller
Isotretinoin is reserved for severe nodular acne that has not responded to conventional treatment because it can cause significant adverse reactions. A possible appearance change is not a reason to take the drug, raise the dose, or stay on it longer.
Take isotretinoin exactly as prescribed. If your nose looks different during treatment, bring it up with your prescriber.
Frequently asked questions
Does Accutane shrink nose bone or cartilage?
Current evidence does not show that it does. The nasal study measured only skin and soft tissue, not bone or cartilage.
Why might my nose look smaller on Accutane?
Isotretinoin reduces oil-gland activity, and one study found thinner skin and soft tissue over the nose. Those changes may make the outer contour look smaller, but the researchers did not measure visible size.
Is the Accutane nose effect permanent?
Unknown. The study stopped measuring nasal tissue while treatment was still underway. The reduction in skin oil is temporary, but the study did not check whether nasal tissue or appearance returned to its previous state after treatment.
Can I take Accutane to make my nose smaller?
No. Isotretinoin has significant risks and is used for severe acne, not as a cosmetic nose treatment.
Sources
- Impact of Isotretinoin Therapy on Nasal Skin Thickness and ElasticityAesthetic Plastic Surgery (PubMed record)