: Since its founding in 2008, the brand has remained 100% cruelty-free, testing its potent formulas on human volunteers rather than animals. To help you better, could you clarify:

: The brand offers professional skin analysis through partner clinics to ensure you use the correct potency of active ingredients, like their Retinol Serum , which uses encapsulation technology for better penetration with less irritation.

: Includes a calendar view where you can add daily notes to track how your skin responds to different products over time. Skinstitut (Skincare Brand)