DIY Alum Skincare Hack Claims to Remove Hyperpigmentation — Experts Nowhere in Sight

This video demonstrates a DIY skin-lightening remedy using melted alum (fitkari) combined with Fuller's Earth, Kasturi Haldi, rice flour, and powdered sugar, claiming it removes freckles, dark spots, tan, and pigmentation in one application. The creator shows how to heat alum into ash, mix it with the other ingredients to create a storable powder, then apply it as a paste three times weekly with coconut oil or rose water to allegedly achieve dramatic lightening results.