In normal-person terms: when hair has been colored, bleached, permed, or heat-styled into exhaustion, it can feel stretchy, weak, and prone to snapping
Rostan EF, Debuys HV, Madey DL, Pinnell SR (2002) Evidence supporting zinc as an important antioxidant for skin
Our bodies have a difficult time absorbing glutathione from external sources
That experience seems to shape the entire philosophy of the company, particularly their focus on supporting small brands that often struggle with high minimum orders, slow communication, and limited customization options
Hydroxyl radicals are extremely reactive and may cause extensive damage to cellular components