Lemon is a warehouse of Vitamin C and Citric Acid. As much it is loved in health drinks and juices, lemon has proved to be an important skincare component as well. As it falls on the higher side of the acidity spectrum, it acts as an astringent and helps in the treatment of acne. The citric acid present in lemon is an AHA (Alpha Hydroxy Acid) which is the key component of an exfoliation treatment.
By inhibiting the production of melanin in skin cells, it helps to brighten the skin and tone down dark spots.