Seborrheic dermatitis of the scalp

My daughter uses a shampoo with salicylic acid (Neutrogena). I use a shampoo with tea tree oil. Scalpicine (contains steroids) can help but is harsh and can't be used too much.

I tried a different shampoo because the tea tree oil makes my hair dry, but I am having an outbreak and going back!

What have you tried? I am also open to suggestions!

I use 4 different shampoos in succession. Shampoo daily and leave the foam on for several minutes in the shower.
Zinc pyritione, 3% salicylic acid, selenium sulfide and ketoconazole prescription strength. The newest prescription technology is is rofimulast
foam ZORYVE. It may need prior approval as it is expensive.

I have tried all of the medicated shampoos at one time or another and leave them on the scalp for 5 to 10 minutes as suggested by my dermatologist. I've also used clobetasol. None of these have anything more than modest effects. I have not tried Scalpicine, however, and certainly may check it out.

@chuckiepoo1 my mother had a prescription for steroid drops, a bit stronger than Scalpicine. Maybe that is an option. I have never seen a dermatologist for this problem but maybe you have. A PCP could probably prescribe as well. Steroid solutions thin the skin over time and are absorbed to some extent, so there is a limit to the number of drops at a time on the Rx.

Scalpicin 1% hydrocortisone is quite safe OTC. You can use it twice a day if that helps. It is an alcohol base solution. I use it often for itchy ears.
A physician can prescribe a stronger variety if needed. Generics are available.

Apple cider vinegar is great.

Scouse, how much/often apple cider vinegar, and diluted?