Age spot solar lentigo or sun spots are blemishes on the skin associated with ageing and exposure to uv rays they range in colour from light brown red or black and are located in areas most often exposed to the sun particularly the hands face shoulders arms and forehead from the age of 40 years awards the skin is less able to regenerate from sun exposure and age sun spots are very common in this age group especially those who spend time in the sun in the majority of cases they pos