Propylene glycol is a humectant, which means that it is an ingredient that is added to cosmetics to increase moisture retention in skin and hair. propylene glycol is well tolerated by the skin and shouldn't cause redness or irritation.
Witch hazel helps to reduce skin redness and provide relief for irritated and sensitive skin.
Witch hazel also helps removes excess dirt and oil from your skin, helps shrink your pores and tightens and tones your skin.
Here is polyquarternium 7,also called polyquat 7,an excellent cationic conditioner for hair and skin.
It is especially useful in surfactant based systems such as shampoo and shower gel and is perfect for use in spray on,leave in hair conditioners