Prequel Multi Acid Milk Peel
Top PickWhat We Like
- Leave-on, no rinsing, no timer
- 15% glycolic plus four more acids and enzymes
- 7.6 oz
- Milk base with squalane keeps skin comfortable
Worth Noting
- Not for sensitive or diagnosed skin conditions
- Size
- 7.6 oz
- Format
- Leave-on liquid
- Key Acids
- 15% glycolic plus four more
- Skin Types
- Most; patch test first
No rinse, no timer, no ten-minute countdown — the Multi Acid Milk Peel goes on like a serum and stays on. We think that's the biggest thing it gets right, because a peel you don't have to rinse off is a peel that fits into a routine you already have. Under the milk base sits a serious formula: 15% glycolic acid, with phytic, malic, mandelic, and lactic acids and enzymes alongside.
The milk part isn't decoration. Squalane and protective botanicals are there so the formula doesn't leave skin tight, which is unusual for something carrying this much acid. Prequel cites four-week improvements in radiance, brightness, pore size, texture, and dark spots from its own testing; what we can judge is the design, and a leave-on that reads like a serum is the one people keep using long enough to see a difference.
Then there's the size. At 7.6 ounces it's the biggest bottle here by a wide margin, and a few drops cover face and neck, so one bottle spans months of once- or twice-weekly use. That matters more than it sounds: peels are judged over weeks, and a bottle that runs dry in a month never gives you an answer.
The catch is built into the format. A leave-on acid keeps working after you walk away, so patch test along the jaw first and start at one night a week. Expect a tingle for the first few applications; if it builds instead of fading, rinse and wait a week before trying again.
Bottom line: We recommend the Prequel Multi Acid Milk Peel to most people because it resurfaces like a peel without the timer, the sting, or the tightness that usually follows.