HYDERQUIN 4% CREAMHyderquin 4% Cream Effective Skin Lightening & Pigmentation Treatment Hyderquin 4% Cream is a dermatologist recommended topical solution containing Hydroquinone 4%, specially formulated to reduce dark spots, melasma, freckles, age spots, and other forms of hyperpigmentation. Manufactured by ATCO Laboratories, this high quality depigmenting cream works by inhibiting melanin production in the skin, leading to a clearer, brighter, and more even skin