The citric acid present in lemon lightens the skin by supplying enough Vitamin C thus removing dark spots.
The acetic acid that can be found in apple cider vinegar works to exfoliate the top layer of skin, revealing the lighter tones below.
Baking Soda is a good exfoliating agent that helps to remove dead cells and removes darkness from skin. It also balances pH level of the skin
Aloe vera contains anthra-quinone, which removes dead skin cells naturally. This leads to the brightening of the skin and also heals the skin of any skin irritation.
Turmeric is well known for its skin lightening benefits as it contains antioxidants and curcumin. Since it reduces the spots, marks, and scars.
Vitamin E oil safeguards the cell membranes. It definitely fades dark spots because Vitamin E is basically a fat-soluble vitamin and it possesses powerful antioxidant properties.