While consumer groups question the safety of hydroquinone, most dermatologists insist that it is still their “go-to” ingredient for skin lightening. Now, PrecisionMD, a New York, NY manufacturer of skin care products for physicians, said its Vivatia Brightening Complex containing 2% hydroquinone (HQ), is as effective for reducing skin pigmentation as a 4% HQ formulation. For consumers this means fast, dramatic results at a lower percentage of hydroquinone, according to company execut...