Noble Formula-HC Spray is our basic over the counter NF Spray with pyrithione zinc (ZnP) 0.25% enhanced with hydrocortisone 1%. It is a potent non-prescription spray, designed for mild to moderate skin issues or to assist maintaining control between major flare-ups of psoriasis, eczema, or seborrheic dermatitis symptoms. Hydrocortisone reduces the swelling, itching, and redness associated with skin conditions. Four-ounce bottle, with a fine mist sprayer.