For dark feet and knuckles 
This Special feet solution clears off those stubborn dark feet and hands , leaving the feet  uniform,  even and flawless. It is specially formulated to target and penetrate deeply into extreme dark areas.  
WHO CAN USE?  Everyone that wants to have beautiful flawless, even  tone hand and feet. do a patch test before use. 
How to use: dilute 30ml of the  solution into 2 litres  of warm water. Soak hands or feet for 10mins. Scrap all the knuckles out and rinse with warm water. Dry and apply a knuckles cream or moisturizer
Please do not scrub. Do a patch test before use. the buyer is responsible for how  you choose to use the product. The seller is not responsible for misusing the product by the buyer.  
PLEASE READ HOW TO USE ON THE LABEL AND USE AS  DIRECTED BY THE MANUFACTURER.