Dr. Tan’s Blog

A: There are different types of acne scars. If they are just dark spots, they usually take 4 to 6 months to fade away. But if there is an underlying skin structure disruption eg. deep indentation, it will not recover fully. New technologies have made acne marks to...

A: This is Mongolian spot. It is a type of birthmark. It is flat and blue-gray in colour. It typically appears on the buttocks or lower back. Mongolian spots aren’t related to an underlying health condition. No treatment is necessary. They usually fade before...

A: These 2 conditions appears to be different, but they have a similar cause and the treatment is similar too. Both conditions are lumped together as acne. Acne occurs when dead skin, oil and bacteria become trapped in the pores. Whitehead appears when the pores are...

A: This is a form of dermatitis which is commonly seen in children and young adults. It is called pityriasis alba. It usually presents as dry, scaly white patches on the face, frequently following exposure to sunlight. This could be due to tanning of surrounding skin...

A: From the clinical history, these bumps have been present over a period of 2 months. They are getting more in numbers. They feel hard but are not painful or sore. No history of itchiness. On examination, they are rough to touch and non-tender. These are warts...

A: Nope. These are Hori's naevi, not freckles. To the layman's eyes, these pigmented spots look very similar to freckles. But if you look closely, they actually have a typical slate-brown or greyish hue. Therefore, they are in the same group as Naevus of Ota (Please...