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Expert Dermatology & Cosmetic Services in Mill Valley
Mill Valley Dermatology has been dedicated to providing exceptional dermatological care since our founding. Our board-certified dermatologists combine extensive medical expertise with personalized attention to address both medical and cosmetic skin concerns. With advanced training in cosmetic surgery and a commitment to ongoing education, we utilize cutting-edge techniques and professional-grade products to deliver lasting results.

Our practice emphasizes patient education, preventive care, and tailored treatment plans while maintaining the highest standards of professionalism and ethical practice. The positive feedback from our long-standing patients reflects our dedication to excellence in skin health and aesthetics.
Services
Injectables Cosmetic Dermatology IPL Treatments Microneedling Chemical Peels Botox Sclerotherapy Acne Treatment
Highlights and features
  • Board-certified dermatologist with fellowship training in cosmetic surgery
  • Personalized treatment plans tailored to individual skin needs
  • Advanced treatments using professional-grade products
  • 30+ hours of annual continuing education for clinical excellence
  • Consistently high patient satisfaction ratings from 113+ reviews
Associations and certifications
  • American Board of Dermatology
  • American Academy of Dermatology
  • Women's Dermatologic Society
What people say
Highly recommend Dr. Knott Knowledgeable and thorough Professional and courteous Great with teenagers Excellent follow-up care
Services
Injectables
Our injectables services use FDA-approved products like Botox and RHA fillers to reduce wrinkles and restore facial volume. Dr. Knott personally administers treatments to ensure natural-looking results that enhance your appearance while maintaining facial expressiveness. Patients receive comprehensive consultations to determine the most effective treatment combinations for their aesthetic goals.
Cosmetic Dermatology
This comprehensive service addresses skin imperfections through chemical peels, laser treatments, and advanced skincare. Customized treatment plans target specific concerns like hyperpigmentation, acne scars, and aging signs. The practice combines medical expertise with aesthetic sensibility to improve skin texture and tone while maintaining natural beauty.
IPL Treatments
Intense pulsed light therapy treats sun damage, age spots, and vascular lesions without invasive procedures. Series of treatments spaced monthly apart deliver optimal results. The non-ablative technology safely improves skin tone and texture on multiple body areas while requiring minimal downtime for patients.
Microneedling
Microneedling stimulates natural collagen production to improve skin texture and reduce scarring. Combining this treatment with PRP enhances results for patients seeking comprehensive skin rejuvenation. The minimally invasive procedure addresses fine lines, pore size, and uneven skin tone with visible improvements after multiple sessions.
Acne Treatment
Medical-grade acne treatments combine advanced diagnostics with personalized skincare regimens. The practice addresses both adolescent and adult acne through topical treatments, chemical peels, and lifestyle guidance. Comprehensive management plans target underlying causes while preventing future breakouts and minimizing scarring risks.
People
Haydee Knott
Board-Certified Dermatologist
Dr. Haydee Knott is a UCSD graduate with dermatology training at Cleveland Clinic and a cosmetic surgery fellowship at UCSF. She maintains 30+ annual continuing education hours and participates in clinical research to advance dermatological care while serving Marin County patients.
Erik Cabral
Medical Doctor
Dr. Erik Cabral collaborates with the practice to provide comprehensive dermatological care, combining medical expertise with patient-centered treatment approaches for both general and cosmetic skin concerns.
Questions
What injectable treatments are available?
We offer Botox, Xeomin, and RHA fillers administered personally by Dr. Knott to address wrinkles and facial volume loss.
How should I prepare for IPL treatments?
Avoid sun exposure, discontinue certain skincare products, and stay hydrated before treatment as instructed during your consultation.
What skin concerns does microneedling address?
Microneedling improves fine lines, acne scars, pore size, and uneven texture through collagen stimulation and skin renewal.
Are cosmetic procedures covered by insurance?
Cosmetic treatments are typically self-pay, while medical dermatology services may be covered by insurance plans we accept.
How experienced is Dr. Knott?
Dr. Knott has completed dermatology residency at Cleveland Clinic and a cosmetic surgery fellowship at UCSF, with ongoing professional development.