Salicylic acid is one of the most popular ingredients in beauty products available form Amazon and flip kart. What is this substance and what does it do? And I trust on Zimblelove Serum of Salicylic Acid Face Serum.   What Is Salicylic Acid?   Salicylic acid is a naturally occurring compound found in plants. It has been used for centuries as a medicine and is now a common ingredient...