Obagi-C Clarifying Serum RX

Contains 4% hydroquinone to reduce hyperpigmentation and other key ingredients, such as Vitamin C, to maintain the appearance of aging skin.

IMPORTANT SAFETY INFORMATION
Obagi-C Rx C-Clarifying Serum (Normal to Oily & Normal to Dry) and C-Therapy Night Cream contains 4% hydroquinone

CONTRAINDICATIONS
People with prior history of sensitivity or allergic reaction to this product or any of its ingredients should not use it. The safety of topical hydroquinone use during pregnancy or in children (12 years and under) has not been established.

INGREDIENTS
Each gram of Obagi-C Rx C-Clarifying Serum - Normal to Dry contains the following ingredients.HYDROQUINONE 4%: Strong inhibitor of melanin production that has long been established as the most effective ingredient for reducing and potentially eliminating melasma.
L-ASCORBIC ACID 10%: Known as the purest form of Vitamin C, L-ascorbic Acid helps neutralize free radicals, minimize the look of fine lines and wrinkles, and brighten skin tone.
Inactive Ingredients: propylene glycol, water (aqua), ascorbic acid, propylene carbonate, sodium lauryl sulfate