For sunless tanning enhanced skin tone A non-toxic organic color additive Safe and effective way to enhance your tan Canthaxanthin is an all natural, organic nutritional supplement. It can give color to the second layer of skin known as the subcutaneous layer. Since the top layer of your skin is transparent, it can give the appearance of a natural looking golden tan, evenly spread throughout the body with out the ultra violet exposure associated with sun tanning and indoor tanning beds. Some use with tanning beds or outdoor tanning for an even deeper bronzing.