the ordinary glycolic acid toner reviews. The glycolic acid in the toning solution (7%), which is what does the exfoliating, is designed to work on the skin’s outermost layer. Clarity is enhanced, uneven pigmentation is reduced, and texture is smoothed out with time. The color of the formula may shift somewhat from time to time because it contains a plant-based Tasmanian Pepperberry derivative whose color shifts with the seasons.

If your skin is sensitive, peeling, or otherwise compromised, you should not use this solution. For more information on how to protect yourself from the sun and any other potential hazards, please read the enclosed recommendations carefully.
Roughly speaking, the pH of this mixture is 3.6. When working with acids, the most crucial factor is the acid’s pKa, which is 3.6 for glycolic acid. The existence of an acid is implied by its pKa value. When the pKa is near to the pH, the salt and acidity are in perfect equilibrium, allowing the acid to do its job while minimizing any discomfort it might cause.
Glycolic acid is the AHA, and this is what it does. In doing so, it acts as an exfoliant (causes it to shed faster). This toner contains glycolic acid at a concentration of 7%. (I would not recommend to sensitive skins when using for the face). With CONTINUED usage, the skin’s appearance and clarity are enhanced through exfoliation, and the skin’s texture is mellowed.
It’s recommended not to use this on fragile, peeling, or damaged skin from even The Ordinary. The application of sun protection factor (SPF) is also required while applying AHAs. Despite popular belief, AHAs can be taken during the day; however, sun protection should also be employed (however Deciem state this toner should be used in the PM).
Follow the instructions on the bottle and apply it once a day after you’ve washed your face in the evening. (Here’s Where You Can Read Some Common Sense Advice About Safety. As someone with sensitive skin, I wouldn’t want to risk irritating it any more than once every few days.

When can I expect to see progress? If you use an AHA with a greater percentage, you may see an improvement in your skin’s appearance within a few days (more radiant skin), but it may take several months before you see any significant anti-aging effects in the form of diminished lines and wrinkles. When asked how long it takes to see results, opinions vary widely, from two months to four months.