HomeJournal Journal Patch testing in three steps 13 November 20261 min read Behind the ear, 24 hours, then go slowly. A patch test is a cheap habit that spots a reaction before it reaches your whole face. Start every other day with any new active. Share
Journal07 Nov 20261 min read How to read a serum label Strength, pH and the INCI list in plain words. Read more
Journal10 Nov 20261 min read The two-finger rule for sunscreen How much SPF is enough for face and neck. Read more
