Betaderm Scalp Lotion can cause a stinging, burning, or itching sensation when you first apply the lotion to the affected area on your scalp. The most common side effects of using Betaderm Scalp Lotion include bumps, skin blemishes, hair growth, a discoloration of the skin, and and dryness.. Betaderm 0.1% scalp lotion This medication contains a topical anti-inflammatory drug from the cortisone family (corticosteroid). Typically, it is used for inflammation and itching.. What is a generic medication? Generic medications are significantly discounted copies of brand name medication that have the same active ingredients, intended use, dosage, side effects, effects, and route of administration as the original brand name medication.. carbomer, isopropyl alcohol, purified water and sodium hydroxide. Innovator Name: Betnovate and Valisone. Dr. Chiu responded: Yes. Once the scalp is clear, you no longer need to use it. I'd only be concerned if this needs be used daily for more than 6 months. It is important to find out what is causing your scalp problem if you need betaderm to control the lesions regularly. Suggest that you consult a dermatologist.. Lotion: Apply a few drops of lotion or enough to thinly cover the affected area. The lotion should be gently massaged into the area until it disappears. The lotion is usually applied once or twice. The lotion should be gently massaged into the area until it disappears..