Skincare Calculators & Tools
Free, practical tools for everyday skincare — calculate sun protection, discover your skin type, build a routine, check ingredient conflicts, decode your hair type, track product expiry, match your foundation, and plan your beauty budget.
SPF Calculator
Estimate your sun-protection time from your Fitzpatrick skin type and SPF, and see how much UVB it blocks
Skin Type Quiz
Answer a few quick questions about shine, tightness, and pores to find out if your skin is oily, dry, normal, or combination
Skincare Routine Builder
Build an ordered AM and PM routine for your skin type and concerns, from cleanser through treatments to SPF
Skincare Ingredient Checker
Check the active ingredients in your routine for known conflicts that can irritate skin or cancel each other out
Hair Type Guide
Identify your hair type from curl pattern and porosity, with tailored characteristics and care tips
Skincare Expiry Date Tracker
Enter when you opened a product to see its Period-After-Opening expiry date and whether it's still safe to use
Foundation Color Match Tool
Find your foundation shade family from your undertone and depth, with shades to try and tones to avoid
Beauty Budget Planner
Add up the true annual and monthly cost of your skincare and makeup routine, ranked by spend per product