Healthcare Magic will do some help for you, keep faith on it.
A mole is a Benign pigmented developmental anomaly of skin. It may remains asymptomatic and harmless for life long
BUT it will be a concern when you notice..(ABCD)
A-Area-Rapid enlargement of area
B- Border- Abnormal, irregular and active border
C- Color- Rapid change of color tone
D- Diameter- Diameter increase rapidly
If any of above findings is present you must go to a dermatologist/ Surgeon.
near chin- You need to wash it for 2/3 times daily with a soap/ face wash then apply a Erythromycine/ Clindamycine lotion twice daily for 2 weeks and let us know the follow up.