DESCRIPTION
Hydroquinone, USP 4% is 1, 4-benzenediol. The drug is freely soluble in water and in alcohol. Chemically, hydroquinone is designated as p-dihydroxybenzene; the empirical formula is C6H6O2; molecular weight is 110.11 g/mol. The chemical structure is in the diagram below.
C6H6O2
Each gram of Obagi Nu-Derm® Clear contains:
ACTIVE: Hydroquinone, USP 4% (40 mg/g)
INACTIVES: ascorbic acid, BHT, butylparaben, cetyl alcohol, disodium EDTA, glycerin, lactic acid, methylparaben, propylparaben, saponins, sodium lauryl sulfate, sodium metabisulfite, stearyl alcohol, tocopheryl acetate, water (aqua)
Each gram of Obagi Nu-Derm Blender® contains:
ACTIVE: Hydroquinone, USP 4% (40 mg/g)
INACTIVES: ascorbic acid, BHT, cetyl alcohol, disodium EDTA, glycerin, lactic acid, methylparaben, phenyl trimethicone, PPG-2 myristyl ether propionate, propylparaben, saponins, sodium lauryl sulfate, sodium metabisulfite, TEA-salicylate, tocopheryl acetate, water (aqua)
Each gram of Obagi Nu-Derm® Sunfader® contains:
ACTIVES: Hydroquinone, USP 4% (40mg/g); Octinoxate, USP 7.5%; Oxybenzone, USP 5.5%
INACTIVES: ascorbic acid, BHT, butylparaben, cetyl alcohol, disodium EDTA, glycerin, methylparaben, propylparaben, saponins, sodium lauryl sulfate, sodium metabisulfite, stearyl alcohol, tocopheryl acetate, water (aqua)
CLINICAL PHARMACOLOGY
Topical application of hydroquinone produces a reversible depigmentation of the skin by inhibition of the enzymatic oxidation of tyrosine to 3, 4-dihydroxyphenylalanine (DOPA) and suppression of other melanocyte metabolic processes. Exposure to sunlight or ultraviolet light will cause repigmentation of the bleached areas, which may be prevented by the use of sunscreen agents such as those contained in Obagi Nu-Derm Sunfader® and Obagi Nu-Derm® Sun Shield Matte Broad Spectrum SPF 50.
INDICATIONS AND USAGE
For the gradual bleaching of hyperpigmented skin conditions such as chloasma, melasma, freckles, senile lentigines and other unwanted areas of melanin hyperpigmentation.
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.
WARNINGS
Hydroquinone is a skin bleaching agent, which may produce unwanted cosmetic effects if not used as directed. The physician should be familiar with the contents of this insert before prescribing or dispensing this product.
Test for skin sensitivity before using by applying a small amount to an unbroken patch of skin and check within 24 hours. Some users of this product may experience a mild skin irritation. If skin irritation becomes severe, stop use and consult a doctor. Close patient supervision is recommended.
WARNINGS
Avoid contact with eyes, nose, mouth and lips. In case of accidental contact, patient should rinse thoroughly with water and contact a physician. Sunscreen use is an essential aspect of hydroquinone therapy because even minimal sunlight exposure sustains melanocytic activity.
Contains sodium metabisulfite, a sulfite that may cause allergic-type reactions including anaphylactic symptoms and life-threatening or less severe asthmatic episodes in certain susceptible people. The overall prevalence of sulfite sensitivity in the general population is unknown and probably low. Sulfite sensitivity is seen more frequently in asthmatic than in nonasthmatic people.
PRECAUTIONS
(also see WARNINGS):
Treatment should be limited to relatively small areas of the body at one time since some patients experience a transient skin reddening and a mild burning sensation, which does not preclude treatment.
PREGNANCY CATEGORY C
Animal reproduction studies have not been conducted with topical hydroquinone. It is also not known whether hydroquinone can cause fetal harm when used topically on a pregnant woman or affect reproductive capacity. It is not known to what degree, if any, topical hydroquinone is absorbed systemically. Topical hydroquinone should be used on pregnant women only when clearly indicated.
ADVERSE REACTIONS
No systemic adverse reactions have been reported. Occasional hypersensitivity (localized contact dermatitis) may occur, in which case the product should be discontinued and the physician notified immediately.
To report SUSPECTED ADVERSE REACTIONS, contact Obagi Cosmeceuticals LLC, at 1-800-636-7546 or FDA at 1-800-FDA-1088 or www.fda.gov/medwatch.
DOSAGE AND ADMINISTRATION
A thin application should be applied once or twice daily or as directed by a physician. If no improvement is seen after three (3) months of treatment, use of this product should be discontinued. Sun exposure should be limited by using a sunscreen agent or protective clothing to cover bleached skin when using and after using this product in order to prevent darkening from reoccurring.
HOW SUPPLIED
1-800-636-7546
Manufactured for:
Obagi Cosmeceuticals LLC,
Long Beach, CA 90806
All products/brand names, whether designated by notice or not (®/TM), are trademarks of Obagi Cosmeceuticals LLC and/or its affiliates.
©2019 Obagi Cosmeceuticals LLC.
All rights reserved. www.obagi.com
Revised 01/2019 9458404
Obagi Nu-Derm® Clear (Hydroquinone, USP 4%)
Skin Bleaching Cream
Obagi Nu-Derm Blender® (Hydroquinone, USP 4%)
Skin Bleaching Cream
Obagi Nu-Derm Sunfader®
(Hydroquinone, USP 4%; Octinoxate, USP 7.5%; Oxybenzone, USP 5.5%) Skin Bleaching Cream with Sunscreens
Uses
- helps prevent sunburn
- If used as directed with other sun protection measures (see Directions), decreases the risk of skin cancer and early skin aging caused by the sun
Directions
- apply liberally 15 minutes before sun exposure
- use a water resistant sunscreen if swimming or sweating
- reapply at least every 2 hours
-
Sun Protection Measures. Spending time in the sun increases your risk of skin cancer and early skin aging. To decrease this risk, regularly use a sunscreen with a Broad Spectrum SPF value of 15 or higher and other sun protection measures including:
- limit time in the sun, especially from 10 a.m.–2 p.m.
- wear long-sleeved shirts, pants, hats, and sunglasses
- children under 6 months: Ask a doctor
Other information
- store at controlled room temperature: 15°C–25°C (59°F–77°F)
- protect this product from excessive heat and direct sun
Inactive ingredients
Water (Aqua), C15-19 Alkane, Octyldodecyl Neopentanoate, Polymethylsilsesquioxane, Sorbitan Olivate, Silica, Polyglyceryl-6 Polyrininoleate, Sodium Chloride, Xanthan Gum, Glycerin, Hydroxyacetophenone, Disodium EDTA, 1,2-Hexanediol, Caprylyl Glycol, Sodium Hydroxide, Triethoxycaprylsilane, Polyhydroxystearic Acid, Disteardimonium Hectorite, Polyglyceryl-2 Isostearate, Euphorbia Cerifera (candelilla) Wax, Beeswax, Dimethicone
