A pH-balanced soothing ampoule that controls excess sebum production and helps calm sensitive skin. Trouble care with Sebomide ingredient that captures excessive sebum. 20% of Tea tree and 10,000ppm of Houttuynia Cordata extract for trouble skin. Proven efficacy - Helps reduce blackhead 43% and whitehead 39% in 4weeks. Non-sticky, easy apply and refreshing finish.