Dr. Kathleen Welsh of Bay Area Cosmetic Dermatology

Meet Dr. Kathleen Welsh

Double board-certified in dermatology and internal medicine, Dr. Kathleen Welsh is the founder of Bay Area Cosmetic Dermatology, a private dermatology practice and the largest cosmetic laser center in the San Francisco Bay area. Dr. Welsh is an award-winning Cosmetic Dermatologist, with expertise in injectable wrinkle fillers and relaxers, as well as innovative body-contouring and laser techniques. A former director of cosmetic dermatology and chief of dermatology for The Permanente Medical Group, Dr. Welsh offers decades of industry experience and knowledge of the latest and most advanced treatment methods. Ranked as one of the "Top 10 Dermatologists West" by Aesthetic Everything, Dr. Welsh helps patients repair and renew their skin for a beautiful appearance.

Skills and Specialties

Dr. Kathleen Welsh’s Bay Area Cosmetic Dermatology practice is highly-equipped to perform skin rejuvenation and laser procedures that address and treat common and complex skin afflictions from acne treatments to laser tattoo removals and the latest wrinkle reduction techniques. Dr. Welsh is renowned for her mastery of injecting skin fillers, such as Juvéderm and Restylane, as well as wrinkle relaxers, like BOTOX and Dysport. Dr. Welsh is recognized as one of the first physicians to offer Juvéderm Voluma injections after participating in the clinical trials and is also one of a handful of Allergan’s Black Diamond status providers (the highest level in the country). Dr. Welsh is also a leader and top innovator in non-invasive body contouring, including CoolSculpting and laser hair removal. When she is not practicing, Dr. Welsh enjoys educating others on skin care by participating in lectures on general dermatology and cosmetic conditions.

Education and Training

Dr. Kathleen Welsh is a highly-educated physician, receiving training from some of the most prestigious institutions in the country. Dr. Welsh received her medical degree from Harvard Medical School and then completed an internal medicine residency at the University of California San Francisco School of Medicine. She completed her residency in dermatology at Stanford University School of Medicine. Dr. Welsh is board-certified in both internal medicine and dermatology.

Achievements and Affiliations

Prior to establishing her private practice, Bay Area Cosmetic Dermatology, in 2000, Dr. Kathleen Welsh served as the director of cosmetic dermatology and as the chief of dermatology for The Permanente Medical Group’s Kaiser Foundation Health Plan in San Francisco. During that time, she established and directed The Permanente Cosmetic Dermatology program, which is now used as a model for similar programs nationwide. Since then, she has been named as one of the "Top 10 Dermatologists West" by Aesthetic Everything, the first social network for aesthetic professionals. Dr. Welsh has also been recognized for her innovative use of Juvéderm Voluma, achieving Allergan’s Black Diamond status.

When Dr. Welsh is not administering treatments at her practice in San Francisco, she is often providing training and lecturing other professionals and students on the mastery of cosmetic dermatology, sharing her passion for skin and patient care.

non-profit support

Dr. Welsh lives in San Francisco with her husband, an emergency physician. She enjoys being in nature, skiing, and kite boarding. Dr. Welsh is active in the TIBA Foundation, a non-profit organization that supplies quality healthcare to people living in rural Kenya. She is also an ardent supporter of She Can, another non-profit organization that provides college education for women in Rwanda, Cambodia, and Liberia.


"I can't say enough good things about Dr Welsh and Dr Huy.  I have been seeing Dr Welsh for 20 years, since high school.  She has saved my face a few times... Severe cystic acne, severe acne scarring all over my entire face, a dog attack that severely mangled my cheek... big stuff.  Over the course of my life I have experienced that feeling of shame and insecurity because my face looked so messed up that I didn't want people to look at me.  And every time, Dr Welsh put my face back together and then some.  Which essentially gives you your life back, because you can face the world with confidence and really show up and be present in conversations, instead of tripping out over how how destroyed your face looks.Those are the extreme cases that Dr Welsh has helped me through.  Always, she is compassionate, straight up, and comes up with a game plan and a timeline, and doesn't want to stop until whatever the issue is perfectly resolved.  Pretty much everything you want when you put your face in someone's hands.Now I am in my late 30s so there are a new bag of things that that can be improved upon that pop up: wrinkles, face and lips losing its fullness, and discoloration (hyperpigmentation).  And again, I don't trust anyone to mess with my face, EVER, unless its Dr Welsh or Dr Huy.  Dr Welsh is a master at filler because she basically refuses to make you look unnatural.  She will make you look refreshed and well-slept, but even if I beg for slightly fuller lips she looks at me and says, "No."  That's what you want.  Someone who says no.  Dr Huy is amazing.  At first I felt like I was cheating on Dr Welsh by seeing her as well but she is awesome and just as skilled.  I highly recommend you try her, because they have similar approaches and equal skill set.  I am so glad I gave her a chance because she is fantastic and she dealt with this discoloration and redness/rosacea problem that started a year ago.  Again, she was sweet and supportive, gave me a game plan and a timeline.  exactly what you want when you are stressing over something on your face.  I love Dr Huy.Everyone who knows me knows that I call Bay Area Cosmetic Dermatology "my happy place".  Such caring, such professionalism and and attention to detail, such a personalized care regimen that makes you feel like you are in the right hands and you can relax and there is light at the end of the tunnel.  I am a die-hard supporter."



"Submitting this review for my mom, who doesn't have a Yelp account but really wanted to review Dr. Welsh.* * I have been going to Dr. Welsh for few years now. I had been looking for a dermatologist for botox and fillers throughout the Bay Area and Europe. I was so happy to finally find Dr. Welsh! She is an amazing "artist " with the syringe -- never makes me look like I had something done. My own children, husband, and sisters never noticed that I had gotten "work done" to my face. I always get compliments on how great and young I look. Equally as important, Dr. Welsh is extremely thoughtful with how she practices. She always takes her time to listen to what I am looking for, and only suggests alternatives when they are best suited for the results I want. Never has she pushed anything on me like some other doctors have.Most importantly, I am so fortunate to have been her patient. I had been seeing other dermatologists while abroad, but when I returned to the Bay Area and visited Dr. Welsh for a botox treatment, she identified that I had an extremely early stage melanoma, so early that other physicians had not identified it or been concerned. I insisted that it was nothing, as I had had the mole for years. Dr. Welsh insisted on a biopsy - thank God !  She was incredibly caring as she gave me the news, and reassured me that everything would be okay given my early stage diagnosis. She not only referred me to the top specialists in the area for the Mohs surgery, but she continued to followed up with me throughout my treatment. Dr. Welsh is simply is one of the best, most caring doctors I have ever had. I have no words to describe how thankful I am to her. P.s. I finally told my husband that that I was getting Botox and that Dr. Welsh was the one that discovered the melanoma. While he is pretty anti-cosmetic procedures, my hubby has now given me a full OK for botox...as long as I will continue to see Dr. Welsh :-)))"



"Dr. Hui completely transformed my skin and I cannot recommend her more highly! I have had rosacea for more than 20 years. In that time I have seen countless dermatologists (including some of the "best" in NYC and SF) and experimented with dozens of skincare products and prescriptions. The results have always been minimal and often made my face even redder and more irritated. This led to a general skepticism of dermatologists and feeling that the rosacea was just something I would have to live with. I decided to try V-Beam treatment, which led me to Bay Area Cosmetic Dermatology (again, skeptical about the potential outcome). In addition to the laser treatment, Dr. Hui recommended a regimen that included over-the-counter and Rx creams, face wash, supplements, and sunscreen. Dr. Hui and Dr. Welsh compound their own unique prescription rosacea cream, which is far superior to anything I have tried from pharma companies (my skin absolutely loves it!). After just one V-Beam treatment and following the regime for only a few weeks my skin dramatically improved. After 2 months the rosacea is almost completely gone and my skin looks healthy and youthful. I am absolutely amazed by the outcome.In addition to being a highly skilled dermatologist, Dr. Hui and her staff are warm and friendly and always take the time to listen to any questions or concerns I may have. I am so grateful to have found Dr. Hui and her team!"



"At 38 I noticed I was getting dark circles under my eyes.  After much research, I decided on  Belotero, and the offices of Dr. Kathleen M. Welsh and and Dr. Andrea Hui at Bay Area Cosmetic Dermatology.  My first appt with Dr. Hui was great.  She listened to all my concerns.  I told her I was on a budget, but still wanted to take care of my skin longterm and she said no problem, she already had a regimen in mind for me and my price range.  And we discussed Belotero.   Over the next two months I followed the skin care regimen.  I love the products!  I use a gentle cleanser and tretinoin gel from OBAGI.  No side effects from the gel and it has lasted forever - just a pea!  And I really love the Kathleen M. Welsh Restorative Bio-Therapy daily moisturizer and the Retinol Eye Repair.  My complexion started looking better immediately.  After 2 months,  I got the Belotero done.  I was a bit nervous but the staff at Bay Area Cosmetic Dermatology  is amazing and totally made me comfortable.  Dr. Hui was again lovely, so kind and very adept at what she does, I wasn't uncomfortable at all.  The results were immediate and subtle.  Aside from a couple small marks from the needle, which were gone in a day or two, I had no swelling or pain.  It was still my face, my eye area, all my natural features - nothing changed, and yet that tired look was gone.  The dark circle was gone.  It was beyond subtle, it was natural.  I've had it for over 3 months now and it looks better than ever.  It seems like the product settles out over time.  I love the results!  I feel like I've made a great choice with this practice.  Thank you Dr. Hui and Bay Area Cosmetic Dermatology!"



"Really the best -- worth the wait - She's terrific. I see her for real skin problems and for cosmetic things. She's very gentle and fast in removing things. On the cosmetic front, she's quite good, and she doesn't push too much. I'm a guy, and she said she wouldn't do botox in two areas at once, but would alternate forehead and eyes. She was giving up 350 or so in money, but she really won my trust. Her products do get pricey, so I'd recommend you ask her what she suggests and buy at skin1 on line."



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