Sun-damaged arms treatment: what to know

Long-term ultraviolet exposure may leave freckles, brown sun spots, uneven tone, visible small vessels, dryness, thin texture, or rough scaly patches. A rough area that repeatedly crusts is different from a flat cosmetic mark and should not be treated as a simple pigment concern. Sun-Damaged Skin describes the wider pattern of chronic exposure, while an individual lesion still needs its own examination. A clinician may inspect the arms closely and decide whether a sample is needed.

Apply broad-spectrum sunscreen to the arms and cover them with clothing when practical. Avoid picking rough areas and use a gentle moisturiser if the skin feels dry. Treatment is selected by diagnosis, location, thickness, number of lesions, and your medical history. Options may include Topical 5-Fluorouracil for selected sun-related precancerous lesions, Photodynamic Therapy, or CO2 Laser Resurfacing in carefully chosen situations. These are medical treatments, not interchangeable cosmetic procedures, and a clinician should explain expected reactions, wound care, and follow-up.

Book a skin examination for a new or changing mark, a rough patch that does not clear, repeated bleeding or crusting, tenderness, or a sore that remains open. Seek prompt attention for rapid growth, marked colour variation, or a lesion that becomes raised. Early assessment helps distinguish a treatable sun-related change from a lesion needing a different pathway.

Which areas are cosmetic and which need medical treatment? Is a rough patch actinic damage or another lesion? Would a topical treatment, Photodynamic Therapy, or laser suit me? What wound care and downtime should I plan for? How will new lesions be monitored?