New Delhi, Dec. 3 -- Quick commerce platforms have unleashed a new weapon in their cutthroat battle for market share- Rs.1 cosmetics.

Swiggy Instamart and Zepto have launched campaigns in which customers can buy select beauty products for just Rs.1 once they add cosmetics worth a certain amount to their cart. BigBasket's BB Now, meanwhile, is offering deep discounts on all beauty and skincare products.

Mint explains why these platforms, which earn most of their revenue from groceries and staples, are now pushing deep discounts in beauty and personal care, and what they hope to achieve in the long term.

Swiggy Instamart and Zepto recently launched campaigns in which customers who add cosmetics worth at least Rs.599 to their cart get acc...