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.

Found yourself going a bit overboard with high-strength skincare acids? Lactic acid is the low-strength, gentle alternative that has incredible benefits, without the sensitivity. If you’re ...

ultimately stabilizing the gel structure by preventing fat particle aggregation and free radical penetration. Quantitative ...