Calming Shot Azulene Toner 300ml, MamondePRODUCT INFORMATION With just one use, it reduces skin temperature and redness, improves sebum and oil levels, and enhances skin texture with quick moisture replenishment. Confirmed to have a skin irritation index of 0. 00 for everyday comfortable use without irritation, and it features a mildly acidic pH formula. The blue color is due to the azulene component derived from Anthemis Nobilis Flower, which quickly absorbs in a water based formula.