Skin Transforms Here

Dedicated to your skin wellness, connecting, and growing with you. Calming your body to heal your skin. Voted Best Skin Care Spa.

A woman receiving a facial treatment with a brush applying a cream or mask to her face while lying down with eyes closed.
A woman receiving a facial treatment from a professional, who is wearing black gloves and holding a lighted magnifying lamp.

Our Approach

Safe, ethical, personalized treatments for your individual skin concerns with powerful & high-performing partners like Hydrafacial,™ ReZenerate, GlyMed Plus, Face Reality Skincare, Mixi Skincare, and more.

  • NanoInfusion is a non-invasive facial treatment that uses nano-technology to enhance product absorption, hydrate deeply, and improve texture, tone, and signs of aging. The best part? Minimal downtime and results you can see + feel right away. $185 | Book Now

  • This treatment boosts circulation, oxygen, and nutrient delivery while aiding detoxification and lymphatic drainage for a tighter, refreshed look. Potent actives target fine lines, dullness, and uneven texture, stimulating collagen and hydration. Best in a series of 3 treatments, 2–3 weeks apart.

  • We’ve officially leveled up our treatments with the Hydrafacial™ Experience — results-driven, personalized treatments that deeply cleanse, exfoliate, and nourish the skin using advanced technology, peels, and boosters.

  • Back by popular demand. Design your own personalized lucky charm piece at Erosion Tap House in an elevated, intimate setting. This uniquely Napa Valley experience blends wellness, creativity, & community...the only event of its kind. Members & early birds enjoy special pricing $59, regular $69.

A woman in cream-colored outfit standing in a medical or spa room, smiling with her hand on her chin, beside a bed and medical equipment.
Black background with the word 'Hydrafacial' written in a stylized, outlined font.
Logo for Mixi Skincare with a black and white font and a blue heart in the background.

Our Wellness Lounge

It began with two sisters passionate about delivering high-touch, results-driven, and non-invasive treatments powered by skincare lines rooted in ethical practices and high-performance ingredients. From that vision, Napa Valley Collective was born.

Whether you’re seeking advanced acne care, age management, or integrative skin health guidance, our Wellness Lounge provides a curated experience designed to rejuvenate and restore.


Cynthia, Owner of Skin by Cynthia
The Napa Valley Esthetician | Hydrafacialist | Certified Acne + Sensitive Skin Specialist | Elite Epicutis Partner

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Gift Cards Available

Gift Cards Available

Glow, gifted

Treat someone to radiant, results-driven skincare with a Skin by Cynthia e-Gift Card. Purchase through Square or our online booking site for instant delivery.

Send via text or email or arrange a physical gift card pickup by messaging us. Email: hello@skinbycynthia.co | Text: (707) 287-5489.

Woman with dark hair and black outfit holding skincare tools, including a fan brush, a spoolie, and a precision tool, in front of a striped background.

You can now shop all the SBC approved products! You’ll find acne safe makeup, hair care, & more.