Question: what is the best natural skin lightening product?
Answer: Bearberry Extract. Bearberry extract is a completely natural skin lightening ingredient found in the bearberry shrub which contains arbutin, a natural skin lightener and brightener. ... 
Licorice Root Extract. ... 
Kojic Acid. ... 
Azelaic Acid. ... 
Niacinamide. ... 
Citrus Extracts. ... 
Glycolic Acid. ... 
Lactic Acid.