Log eczema, psoriasis or hives in 10 seconds a day. After 3 weeks, Itchwise shows which foods, products, weather and habits are statistically associated with your flares. 湿疹、银屑病、慢性荨麻疹，每天 10 秒记录。坚持 3 周，肤记用诚实的统计告诉你：哪些食物、用品、天气和习惯与你的爆发相关。
Itch, sleep, body map and trigger chips — one thumb, done. 痒感滑条、睡眠、人体部位图、诱因标签——单手完成。
Ghost-overlay retakes stay comparable; before/after slider shows real change. 叠影引导重拍，前后对比滑块，把变化看得清清楚楚。
Exposure vs baseline with confidence intervals — associations, never diagnoses. 暴露对比基线、置信区间——只讲关联，不下诊断。
One tap turns months of logs into a professional PDF for your appointment. 一键把几个月的记录变成就诊用的专业 PDF。
Scan a product label; common irritants are flagged on-device. 拍下成分表，端上识别常见刺激成分。
On-device by default; optional sync to your private iCloud only. No servers, no ads. 数据默认只存本地；可选同步仅到你的私人 iCloud。无服务器、无广告。
Itchwise is a tracking tool, not a medical device. It does not diagnose, treat, or give medical advice. Always consult your dermatologist. 肤记（Itchwise）是记录工具，不是医疗器械；不做诊断、不提供治疗或医疗建议。任何医疗问题请咨询皮肤科医生。