SkinStack

Smart conflict detection warns you when ingredients don't mix. Build safer routines instantly!

Stop guessing which products work together. SkinStack builds your perfect skincare routine and warns you about ingredient conflicts before they cause breakouts.

BUILD SMART ROUTINES

• Add your skincare products with ingredients
• Get automatically sorted AM/PM routines based on texture and category
• Know the correct layering order: water-based first, heavy creams last

DETECT INGREDIENT CONFLICTS

• Retinol + AHA = irritation? We'll warn you
• Vitamin C + Niacinamide = safe? We'll confirm it
• 20+ built-in conflict rules covering common ingredients
• Avoid-level (never mix) and caution-level (use carefully) warnings
• Synergistic pair detection (ingredients that work better together)

SCAN INGREDIENT LABELS (PRO)

• Point your camera at any product label
• Vision OCR automatically reads and parses ingredients
• Add scanned ingredients to your products instantly

WAIT-TIME TIMER (PRO)

• Know exactly how long to wait between products
• Different wait times for different textures (60s for serums, 5min for oils)
• Push notification when it's time for the next step

SKIN JOURNAL (PRO)

• Track your skin condition daily with emoji ratings
• Log concerns like breakouts, dryness, redness
• See your skin improvement trend over time
• Connect products used to skin condition changes

ONE-TIME PURCHASE, NO SUBSCRIPTION

• Free: 3 products, basic conflict detection
• Pro: $4.99 one-time — unlimited products, scanner, timer, journal
• No recurring charges. Ever.

WHY SKINSTACK?

• 100% offline — your data stays on your device
• No accounts, no tracking, no analytics
• Built by skincare enthusiasts who got tired of guessing
• One-time purchase beats monthly subscriptions

Your skincare routine should work for you, not against you. Download SkinStack and start building smarter routines today.