SleuthBook

Find what your skin reacts to.

Log the products and procedures you use each day, note how your skin looks and feels, and pinpoint exactly what is causing dryness, rashes or breakouts.

Log daily

Tap what you used — separately for morning and night. It takes seconds.

Track your skin

Dry, glowing, itchy, a rash — note how your skin looks and feels each day.

Pinpoint suspects

See which products show up again and again on your flare-up days.

Your journal is private to your account — sign in from any phone or computer and it's all there.