A few weeks into head and neck radiation, the skin of the neck and face that at first looked only slightly tanned gradually reddens, begins to sting, and then starts to peel. This is called radiation dermatitis, a buildup of a sunburn-like reaction in the treated area. It can come with pain or itching and makes daily life quite a nuisance, but since its severity shifts with how you care for it, there is clearly room to help yourself.
Gentle washing with lukewarm water and a mild, non-irritating cleanser is the basic rule. You should avoid hard scrubbing, rough washcloths, and coarse sponges, and after washing, do not rub but simply press a soft towel lightly to lift off the water. Hot water irritates the skin further, so just keeping a strong stream off the neck while showering already makes it sting less.
Lifestyle habits that reduce friction and irritation matter too. Wearing soft, loose cotton clothing instead of a tight shirt collar or a scratchy scarf cuts down on rubbing. For men, if the area you shave falls within the treatment field, it is safer to use an electric razor instead of a blade, or to pause shaving after discussing it with your care team. Things that touch and rub the skin, like necklaces or stiff collars, are best set aside as much as possible.
Moisturizing and protection are worth keeping up daily. Applying a mild moisturizer free of fragrance and alcohol thinly and often keeps the skin from drying out, but you will often be told to leave a gap and not apply it right before treatment, so follow your care team's instructions. Putting on ointments, powders, or folk remedies on your own is not advised, since they may actually irritate the skin or affect the treatment. When you want to try a new product, it is safer to ask first.
Managing sun and temperature has a surprisingly large effect. The treated area is left vulnerable to ultraviolet light, so when going out, cover it with a wide-brimmed hat or clothing to avoid direct sun, and refrain from hot compresses or pressing very cold ice directly on it. Environments where heat gathers, like saunas and hot baths, are also better avoided for a while. Thinking of it as keeping the environment lukewarm and gentle is generally about right.
Toward the later part of treatment, a stage can arrive where the skin breaks down and weeps. At this point, rather than deciding on your own to apply something on top, the key is to watch whether weeping, pain, or heat is worsening and to tell your care team in good time. With an appropriate dressing or prescription, it becomes far more comfortable, and most skin reactions gradually settle within a few weeks after treatment ends. Remembering that even skin that is struggling now has a time to recover, the best approach is to care for it gently, without overdoing it.
This article shares general lifestyle care information in plain language and does not replace individual diagnosis or treatment. Please discuss the use of skin products and how to handle symptoms with your own care team.