When you should pay attention and get professional help:
1. if there is pigmentation, resist reaching for the next fairness cream – type and depth of pigmentation are very important considerations for complete and quick reversal.
2. rosasea might be common, but it indicates very sensitive skin that reacts to all kinds of stimuli, such as soap, hot drinks and certain foods. Expert advice is vital.
3. if a long-standing mole suddenly changes color or size, you might need to have a biopsy to rule out malignancy.
4. Your scalp has thick, non-itchy, reddish-brown flacking scales and you’ve been ignoring it as dandruff. Or there is patchy loss of hair from the scalp.

Just do not ignore it.