seborrheic dermatitis on face

I've had this on and off on my face for many years.

Anyone have any suggestions to treat it?

I've tried a lot of things

Anyone?

I have this condition and Allergenics Ointment clears it for me, if I stop using for a few days it comes back:
http://www.worldwideshoppingmall.co.uk/body-soul/allergenics-ointment.asp

Ingredients: Aloe Barbadensis, Butyrospermum Parkii (Shea Butter), Cetearyl Alcohol (from Palm and Coconut Oil), Borago Officinalis (Borage Oil), Cera Alba (Beeswax), Prunus dulcis (Sweet Almond Oil), Glycerin (Vegetable Source), Cetearyl Glucoside (from Glucose), Brassica Campestris (Rapeseed) Sterols (Rapeseed Source), Zinc Oxide (Mineral Source), Capryloyl Glycerine (from Palm and Sunflower Seed), Rosa Moschata (Rose Oil), Theobroma Cacoa (cocoa Butter), Tocopheryl Acetate (from Cereals), Glycyrrhetinic Acid (from Liquorice Root), Hyaluronic Acid (Natural Mucopolysaccharide), Xanthan Gum (Natural), Citric Acid.