Hyperpigmentation - freckles, melasma, sun-spots, liver spots, age spots and others.
The oils in this section work "inhibiting tyrosinase activity, since melanin is derived from tyrosine and its biosynthesis is to a large extent regulated by this copper-containing enzyme." - Brazilian Journal of Pharmaceutical Sciences
Any natural treatment requires patience and discipline. If you have any kind of hyperpigmentation avoid direct sun exposure, I love the beach but I use sunscreen and hats.
These products are not intended to diagnose, treat, cure or prevent any disease.