For those immersed in haircare trends on TikTok, the concept of head spas—popularized in Japan—may already be familiar. These treatments combine scalp massages and deep cleansing with personalized scalp analyses, offering tailored hair care advice. Now, French luxury haircare brand Kérastase has introduced the K-SCAN, an AI-powered scalp and hair analysis tool designed to bring these expert insights directly to your salon visit.
How Kérastase’s K-SCAN Works
Available as a complimentary add-on at participating Kérastase salons, the K-SCAN uses a handheld microscopic camera to capture detailed images of your scalp under white LED, cross-polarized, and UV light. The AI algorithm, developed by L’Oréal researchers and trained on over 12,000 images from diverse participants worldwide, instantly analyzes these photos and displays results on a tablet for both stylist and client.
During my session, the hairdresser first asked about my hair habits—washing frequency, coloring, scalp itchiness, and accessory use—before conducting a quick scan with the device. The technology identified my hair density by marking follicles and assessed scalp health, including the microbiome, using UV imaging. This immediate, visual feedback allowed me to better understand my scalp’s condition in ways previous scalp assessments never had.
K-SCAN vs. Traditional Head Spa Analysis
A few years ago, I experienced a scalp analysis at a Tokyo head spa, which provided useful information but lacked actionable guidance. Although they identified my scalp as dry—not oily as I had thought—and reassured me about hair loss concerns, I left without a clear plan to address these issues.
By contrast, Kérastase’s K-SCAN not only confirmed these findings but went further by recommending a personalized Fusio-Dose hair treatment targeting my Sahara-grade dryness. The stylist customized the concentrate and booster accordingly and even showed me a before-and-after scan post-treatment. While immediate changes were subtle, the clarity and practicality of the advice marked a big step forward.
Personalized Hair Care Steps and Product Recommendations
Perhaps the greatest advantage of the K-SCAN analysis lies in its tailored hair care steps. Based on the results, I was guided to use specific Kérastase products designed for dry scalps: the Nutritive Bain Satin Riche shampoo, Nutritive Nutri-Supplement Scalp Serum, and Chronologiste Intense Regenerating Mask. The stylist walked me through proper serum application—a helpful touch that’s often missing in standard salon visits.
Though Kérastase products come with a premium price tag, the K-SCAN insights serve as a valuable foundation for anyone looking to refine their hair care routine—whether sticking with Kérastase or seeking affordable alternatives with similar benefits.
Post-Appointment Experience and Areas for Improvement
Following my salon visit, I received an email with my K-SCAN results. While the data was helpful, it lacked the detailed scalp images I’d seen in person and contained some inconsistencies—such as conflicting microbiome scores and unclear hair density metrics. The product recommendations came without context or usage instructions, making it harder to follow the routine independently.
Additionally, the salon’s policy to delete daily K-SCAN images for privacy means clients cannot track progress over multiple visits. For ongoing improvement, I recommend capturing photos of the tablet screen during your session to maintain personal records.
A Game-Changer for Hair Health Advice
Since incorporating the K-SCAN’s guidance, my hair care has become less guesswork and more intentional. Whether the improvements in softness, hydration, and reduced frizz stem directly from Kérastase products or from targeted moisturizing informed by the scan, the tool was invaluable in shaping an effective hair care routine.
For those seeking personalized, data-driven hair care steps and a deeper understanding of scalp health, Kérastase’s K-SCAN offers an innovative, practical approach—combining cutting-edge AI technology with professional expertise to elevate your hair care game.
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