Dark spots are also known sun spots because they are cased due to sun exposure and age spots are caused due to aging or hyper-pigmentation. These occurs easily on those parts of body which are directly contact with sun. In some people it is due to stress, hormonal imbalance, vitamin deficiency etc.
Baking soda is very useful in treating with dark spots. It has some special properties.
It has excellent exfoliating property.
It encourages the growth of collagen to get rid of the spots.
It maintains the balance of pH levels that helps to prevent bacteria.
It acts as dying agent.
It has skin lightening and bleaching property.
As all the properties of baking soda are above so now you can easily try it on your dark spots. Here I will tell you that howto use baking soda for dark spots.