Your skin deserves better than trial and error.
Routine Audit
Scan your products and get a quick audit.
Finds conflicts, synergies & what you're missing.
Toner
Exfoliating Toner
Too harsh for your barrier
Serum
Brightening Serum
Good antioxidant, wrong timing
Moisturizer
Barrier Cream
Great barrier support
Sunscreen
Daily Sunscreen
Essential โ keep using daily
Treatment
Retinol Treatment
Too strong with current actives
Cleanser
Gentle Cleanser
Calms redness, pairs well
Toner
Exfoliating Toner
Too harsh for your barrier
Serum
Brightening Serum
Good antioxidant, wrong timing
Moisturizer
Barrier Cream
Great barrier support
Sunscreen
Daily Sunscreen
Essential โ keep using daily
Treatment
Retinol Treatment
Too strong with current actives
Cleanser
Gentle Cleanser
Calms redness, pairs well
Precise Diagnosis
We combine your full history and context
with dermatology expertise
Strip back. Calm down. Protect.
Rebuild. Strengthen. Balance.
Target. Treat. Fine-tune.
Maintain. Prevent. Level up.
Personalized Care plan
Not everything at once. Kina guides you through 4 phases โ each with different goals, different products, different focus.
moderate
mild
moderate

mild
low
good
Stability Score
+23%7+ hrs sleep
High stress days
Insights & Analytics
See how products, habits, and lifestyle
affect your skin over time.
Daily Check-in & Tracking
Under 2 minutes a day.
Build consistency and watch your skin transform.
Sleep
Track sleep quality
Stress
Monitor stress levels
Diet
Log food triggers
Water
Daily hydration
AI Skin Coach
Ask anything about your skin. Get answers
based on your actual data, not generic advice.
Why is my skin breaking out on my chin?
Stress + hormonal triggers.
Chin scan: inflammation 58 ยท Lifestyle log: high stress
1. Keep gentle cleanser
2. Add salicylic acid spot treatment
3. Focus on stress management
Science-Backed
Every recommendation is grounded in peer-reviewed clinical literature and validated dermatological frameworks.
20,000+
Ingredients analyzed
Interactions, conflicts & synergies
180+
Research references
PMC, AAD, EADV, FDA sources
AAD 2024
Clinical guidelines
Latest treatment standards
I - VI
Fitzpatrick types
Calibrated for all skin tones
Built at Seoul National University
Korea's #1 University
Stop guessing. Let kina figure it out for you.
ยฉ 2025 kina. All rights reserved.