Azelaic acid
Free tools
Numbered, scoped, and sourced. Each tool says what it does and what it does not do.
T-01Azelaic acid application-quantity guideFingertip-unit sizing for the areas you treat: FTUs per application, grams per application, per day and per week, and how long a 30 g or 50 g tube lasts at label frequency.T-02Azelaic acid strength-evidence explorerThe per-compound data component: every study in the monograph, filterable by the concentration it tested (10%, 15%, 20%, mixed), with design, n, outcome and claim ids. Makes the concentration-evidence gap a browsable fact rather than a slogan.T-03Azelaic acid application-schedule builderBuilds the label's morning and evening routine around your other steps, and screens product pairings against the only cautions the labels actually contain. Where no data exists for a pairing, it says so instead of inventing a rule.