Yes, clobetasol propionate and salicylic acid ointment can be highly effective for treating lichen planus, especially thick or stubborn patches. Clobetasol is a potent steroid that quickly reduces inflammation, swelling, and itching. Salicylic acid acts by softening and removing scaly skin, which allows the steroid to penetrate deeper and work more effectively. Because clobetasol is very strong, it is important to use this medication exactly as prescribed by your doctor. Avoid applying it to sensitive areas like the face or groin, and use it only for the recommended duration to ensure safe and successful healing.