Niacinamide: Also known as Vitamin B3 and nicotinic acid. It is an effective skin-repairing ingredient that can increase skin hydration, brighten the skin tone and improve skin texture, as well as make it less irritable. It may potentially reduce facial sebum.
Mandelic: Also helps regulate sebum production and in turn decrease the occurrence of breakouts. It is also known to be beneficial to those who suffer from cystic acne.