San Francisco Dermatologist
360 Post St., Ste. 400
San Francisco, California 94108 US
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Treatment Pricing

Treatment Pricing
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Specials and Deals

25% Off
Mention RealSelf: 25% OFF 2 CoolSculpting
30% Off
Tattoo Removal: Mention RealSelf • 30% OFF 1st
$100 Off
Mention RealSelf: Receive $100 OFF first Botox
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15 years experience
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Treatment results may vary

5 out of 5 stars PicoWay

Pico Way Experience

I visited to have a consultation about Pico Way laser to remove dark spots or age spots. The office staff were very friendly and was told of the Pros and Cons about the laser for a non Caucasian skin. I went and proceeded with the procedure anyways. Amazingly the targeted spots are gone within 7 days. Needless to say I am a happy camper since I have been looking for a procedure that do not...

5 out of 5 stars Laser Treatment

Awesome doctor

Awesome! I have been Dr. Kwan's patient for over 18 years and he has done laser hair removal, laser resurfacing and general dermatologiy for me. A delightful experience with Dr. Kwan and his team. Dr. Kwan helped my daughter growing up with acne and she continues to see him for hair removal and any other skin treatments.

*Your results may vary. Any specific claims or permanence length of results vary for each patient and are not guaranteed.

Board Certifications

Board-certified by the American Board of Dermatology


American Academy of Dermatology (AAD)
American Society of Dermatologic Surgery (ASDS)
Fellow, American Academy of Dermatology (FAAD)

Consultation Fee



  • Undergraduate & Medical School

    Undergraduate: BS, Biology, UCLA
    Medical: MD, USC
  • Post-Medical School Training

    Internship: University of Rochester Medical Center
    Dermatology, King/Drew Medical Center, Chief Resident, Los Angeles

Treatments offered at Kwan Dermatology

Most popular answers from William Kwan, MD, FAAD

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Differences in Coolsculpting Machines?

There is currently only one Coolsculpting machine, so any office that offers Coolsculpting will be using the same base machine. What does differ is... READ MORE

What's the Best Laser for Skin Resurfacing?

There are so many different lasers on the market and they all are meant for a specific purpose. For example a laser hair removal device isn't best at... READ MORE

Why is Kybella so expensive?

I agree that Kybella is not an inexpensive treatment. However, it's dependent on how many vials you would need. If you only need 1-3 vials, I think... READ MORE

What Happens If Someone Gains Weight After Using Kybella?

Regarding cheek fat/cheek reduction, it would be best to consult with a plastic surgeon regarding what options might be effective. Typically... READ MORE

Lump Left After Coolsculpting?

It is possible for a lump to appear in the treatment area several weeks after your procedure. It could be inflammation that will gradually dissipate... READ MORE

When can I return to my normal workout routine after Kybella?

I usually recommend waiting 2-3 days after your Kybella treatment before resuming any strenuous exercise. If you experience a lot of swelling, I... READ MORE

How much does it cost for laser freckle removal for whole face? Does this leave any marks and can it all be done in one day?

Your question is difficult to answer because it depends on the type of freckles, which laser is used, and how long it would take. There are so many... READ MORE

What can you recommend for stubborn age/sun spots on hands?

It sounds like you have been following all the right steps in preventing sun damage. While I would also recommend topical lightening agents in... READ MORE

Dark Spots on Legs - Cause and Treatment?

It is difficult to tell what type of pigment you have on your legs based on the photo. It looks like it can be post inflammatory hyperpigmentation. If... READ MORE

Treatment for Dark Pigmentation Around Eyes?

What you are describing is a common issue. There are a lot of patients that complain of dark circles around the eyes. Sometimes it's related to blood... READ MORE

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*Your results may vary. Any specific claims or permanence length of results vary for each patient and are not guaranteed.