For dark skin, chemical exfoliants, especially Alpha Hydroxy Acids (AHAs) like Glycolic Acid and Lactic Acid, are often the better choice. Physical exfoliants can be too abrasive and cause micro ...

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 ...

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.

You can treat dry, cracked heels by moisturizing and exfoliating regularly. Browse treatments for dry heels from Cerave, Aveeno, Aquaphor and more.