Clinical Focus
Cosh Head Spa
Head Spa · Burlingame, California
4.8 / 5
Cosh is a science-forward head spa in Burlingame that pairs microscope-assisted scalp analysis with personalized, holistic treatments. They specialize in deep-cleansing detoxes and therapeutic scalp care within a private, luxury-focused environment.
Cosh Head Spa earns a commanding 4.8 Atlas Score, anchored by a near-perfect 4.9 value rating and a 5.0 for hospitality. Their 'study, don't guess' clinical approach is validated by consistent praise for their scalp analysis and educational focus, though guests should note that a dry fee is applied to services, serving as a transparency caveat for those expecting an all-inclusive price.
The word among guests
Clients consistently praise the transformative results of the Scalp Detox and analysis, frequently highlighting the knowledgeable staff and serene private suites. While the consensus is overwhelmingly positive, guests with textured hair should communicate detangling needs clearly, as isolated reports of post-treatment matting have surfaced. Overall, the experience is lauded as a rare, high-end blend of clinical scalp health and deep relaxation. Across 76 Google reviews (4.9), no systemic concerns surface. Three notes recur: Clinical Scalp Analysis, Private Sanctuary Suites, Educational Wellness Rituals.
The rating, in detail
Tap a dimension to read more. The rating averages the four service dimensions; hygiene and value are reported alongside it as quality signals.
Technique 4.8
What the hands actually do. Technique reads every mention of the scalp work itself: skill, pressure, tool use, and the range of ritual on the menu. It scores how consistently guests report precise, practiced work.
Sanctuary 4.8
The setting, taken seriously. Sanctuary reads what guests say about the room itself: how quiet it stays, how carefully it is kept, and whether the calm holds for the whole visit rather than just the photos.
Efficacy 4.8
Did it work? Efficacy tracks whether guests report the result they came for after the ritual, not just during it: tension relief, better sleep, a calmer scalp, healthier hair.
Hospitality 5.0
Everything around the treatment. Hospitality scores the visit end to end: how easy it is to book, how clearly the spa communicates, and how guests are received, guided, and sent home.
Hygiene 4.8
Reported alongside the rating, never averaged into it. Hygiene reads reviews for the care of tools, linens, and practice; a complaint here surfaces as a visible flag rather than a quiet point deduction.
Value 4.9
Also reported alongside the rating. Value weighs what guests say the experience is worth against what it costs, so a fair-priced gem and a spotless but overpriced room are never smoothed into one number.
On the menu
Recommended for
The Scalp
The Hair
The Comforts
- luxury & organic products
- private & couples suites
- robes & tea service
- silence optional
- pregnancy safe
- blow-dry included
- a blow-dry to finish
Practical matters
— The visit —
- Price $$$ • upscale
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Hours Mon Closed · Tue–Sat 10 AM to 8 PM · Sun 10 AM to 6 PM
Mon Closed Tue 10 AM to 8 PM Wed 10 AM to 8 PM Thu 10 AM to 8 PM Fri 10 AM to 8 PM Sat 10 AM to 8 PM Sun 10 AM to 6 PM - The finish wash & blowout included
- Access wheelchair accessible
— Reach them —
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Hours Mon Closed · Tue–Sat 10 AM to 8 PM · Sun 10 AM to 6 PM
Mon Closed Tue 10 AM to 8 PM Wed 10 AM to 8 PM Thu 10 AM to 8 PM Fri 10 AM to 8 PM Sat 10 AM to 8 PM Sun 10 AM to 6 PM - Telephone (650) 297-6560
- Online website · map
401 Primrose Rd G
Burlingame, California
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