Brand from South Korea: Biodance. Benefits:This toner contains 8% PHA and offers effective exfoliation without irritation and sensitive skin barrier care.80,000ppm of PHA only targets dead skin cells on the surface with its larger molecules compared to AHA or BHA, with little to no irritation suitable for sensitive skin, and draws in moisture for a dewy, hydrated complexion.Immediate decrease in dead skin cells by 29.9% after use once and instant improvement in skin transparency by 105% after use once.How to use:1. Put a moderate amount of the toner on a cotton pad and adhere it to the skin for 3-5 minutes.2. Gently swipe off the cotton pad and pat the residue on the skin to absorb it.