At one time, hydroquinone solution was often mixed in an oil-free moisturizer that acted like a skin bleach. However the use of hydroquinone for skin whitening has been banned in European countries due to health concerns. In 2006, the United States Food and Drug Administration revoked its approval of hydroquinone for over the counter preparations warning that it may cause cancer or have many other detrimental effects. The use of hydroquinone skin-whitening products can be toxic, harmful or lethal for humans. Modern treatments include topical creams that are marketed for the condition. Various ingredients have been researched, developed and included in these creams. For example, recently, chemical compounds called alpha hydroxy acids (AHAs) have been added as a beneficial ingredient to creams for<unk><unk> . Specialist treatments including laser and intense pulsed light skin surgery can also be used. A compounding cream of Pfaffia paniculata, Ptychopetalum olacoides and Lilium candidum has also been reported as an effective treatments. Low-level laser therapy, autologous fat transplantation and hyaluronic acid fillers are also alternative treatment options. In addition, many skin care ingredients can help in the form of eye creams. Caffeine is a potent vasoconstrictor that has been proven to improve the look of<unk><unk>  by constricting, or tightening, the dilated vessels under eyes. Vitamin C can help brighten hyperpigmentation as well as thicken the dermal layer of skin which conceals<unk><unk>
Periorbital dark circles
Hutchinson's pupil
Argyll Robertson pupil
Vitreous bulge
Macular hole
Subconjunctival injection
Owl's eye appearance
Raccoon eyes