Poison Ivy/Oak; Eczema; Psoriasis; Insect bites. No. 1 leading hydrocortisone gel. 2x Better than prescription (Corticool 1% Hydrocortisone Anti-Itch Gel formula, when tested against a 2.5% prescription hydrocortisone cream, penetrates 2.87 times better providing higher bioavailability of hydrocortisone). This means Corticool's unique, fast-absorbing gel delivers more of the anti-itch active ingredient where you need it most on a hot, itchy, inflamed rash. Corticool's menthol formula starts cooling and soothing immediately. With other hydrocortisone ointments or lotions, the active ingredient floats on the skin's surface and can take 30 minutes or longer to stop your itch. Maximum strength available without a prescription. Cooling, soothing relief. Reduces inflammation.