Strong (oy1) Glycolic Acid 7 Exfoliating Toner 240ml / (bo) white [the ordinary.]

What it is Glycolic Acid is an alpha hydroxy acid that exfoliates the skin. This 7% toning solution offers mild exfoliation for improved skin radiance and visible clarity, while also improving the appearance of skin texture with continued use. This formula contains a studied Tasmanian Pepperberry derivative to provide comforting benefits to the skin. It is further supported with inclusion of ginseng root and aloe vera for both visible radiance and soothing benefits. This pH of this formula is approximately 3.6 and Glycolic Acid has a pKa of 3.6. The pKa is the most important aspect to consider when formulating with acids as it implies acid availability. When pKa is close to pH, there is an ideal balance between salt and acidity, maximizing