Glycolic acid toner from The Ordinary brand - 240 ml

The Ordinary Glycolic Acid 7% Toner for light skin exfoliation works to brighten and purify the skin with continued use and restore its radiance. It also contains ginseng and aloe vera to reduce and soothe skin irritation. Size: 240 ml Method of use: For daily use, apply once in the evening only After cleansing the skin, dampen a cotton pad with the acid and wipe the face and neck, avoiding the eye area. Do not rinse after use. Note: Do not apply on sensitive, inflamed, or damaged skin. Use sunscreen because it contains exfoliating acids, so the skin becomes sensitive to the sun. The 7% Glycolic Acid Skin Tone Equalizer Solution is a surface exfoliant. It helps increase skin clarity, even out uneven skin tone, and improve texture over time. This formula contains a derivative of the Tasmanean pepper plant, which varies in color from season to season, and this color variation may appear in the formula from time to time. This formula should not be used on sensitive, peeling, or at-risk skin. Please refer to the additional sun protection note and other warnings in the attached instructions. The pH of this formula is approximately 3.6. Glycolic acid has a pKa of 3.6, and pKa is the most important aspect to consider when formulating acids. pKa means acid availability. When pKa approaches the pH level, there is an ideal balance between salt and acidity, increasing the acid's effectiveness and reducing discomfort.