Your Sunday DSI guide for the week ahead
Dermidia turns your location and home type into a week-ahead Dry Skin Index advisory: peak days, days above DSI 4, practical care prompts, and a companion dashboard you can open anytime.
Your first 6 Sunday guides are free. Continue after that for $19/year, or $2.49/month with stop-any-time billing.
Dermidia
May 10 to 16Persistent First Alert conditions this week.
Expect a full week of mild drying stress. Keep daily body wash simple and add light lotion to usual dry zones if needed.
Week avg
4.8
range 4.2-5.5
Peak day
Monday
DSI 5.6
Above 4 DSI
7/7
all week
7-day predicted DSI with range
Simulation-based outlook
Sun
4.2
3.7-4.8
Mon
5.6
4.9-6.4
Tue
5.3
4.6-6.1
Wed
4.6
4.0-5.3
Thu
4.6
4.0-5.3
Fri
4.8
4.2-5.5
Sat
4.4
3.8-5.1
Low Risk
DSI < 4
First Alert
DSI 4-6
Special Care
DSI 6-8
Enhanced Care
DSI 8+
What arrives each Sunday
The weekly email is the main product: a concise week-ahead advisory that turns modeled indoor drying stress into a practical care rhythm.
Week average and peak day
See the expected weekly DSI level and the day most likely to need extra attention.
Days above DSI 4
Know how many days rise above the First Alert threshold for indoor drying stress.
7-day predicted range
Review the daily DSI outlook with a range, not just a single number.
Care prompts for dry zones
Get practical guidance for legs, arms, hands, elbows, and other areas that dry first.
Seasonal comparison
Put this week in context against recent local drying-stress patterns.
Anytime dashboard
Open the web guide between emails to refresh the registered-location forecast.
1. See the pattern
Learn why DSI rises
Use the Learn page to understand why heated indoor air can create skin drying stress even when outdoor weather feels damp.
2. Run your context
Check seasonal and weekly DSI
The Seasonal simulator shows annual exposure and this week's forecast, turning the science into a local signal.
3. Let Dermidia watch it
Start the weekly guide
Get six no-card Sunday guides for your location and home type, with practical care prompts and an anytime web dashboard.
Start here
Model your local week
The weekly guide starts with local weather, outdoor water vapor, and your home type to estimate indoor drying stress.
Try Seasonal SimulatorAccount dashboard
Open the companion dashboard
Between Sunday emails, your signed-in guide refreshes the registered-location forecast whenever you open it.
Open Dermidia GuideWeekly DSI Guide
Start with six no-card Sunday guides
Get a week-ahead DSI advisory by email each Sunday, plus a signed-in dashboard for your registered location and home type.
No credit card is needed for the first six Sunday guides.