It takes around 28 days for the skin’s natural exfoliation cycle to finish, a process known as desquamation. While chemical exfoliants, like lactic acid, will aid the process, it still takes time.

So you been sprinting, Lily? Just a bit of cramp? So that's the lactic acid building up. When an athlete does too much or runs too vigorously, not enough oxygen can be delivered to the muscles.

This is a natural phenomenon associated ... affect the condition of our complexion. Lactic acid is available for purchase in serum form, but it is also an ingredient in many skincare products ...

Lactate is a natural fuel source for ... regarding potential medical outcomes. Lactic acidosis is a form of metabolic acidosis, a condition of excess acid in the bloodstream.