Removing Sweat Stains From Car Seat How Can I Remove Sweat Stains From My Beige BMW Leather Car Seat? Please Do Not Recommend Any Brand Products!?

How can I remove sweat stains from my beige BMW leather car seat? Please do not recommend any brand products!? - removing sweat stains from car seat

I would like to uniformly dark on the skin treatments of the skin, turn a new color.