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hydroquinone

Generic: Hydroquinone

Verified·Apr 23, 2026
NDC
50405-800
ICD-10 indication
L81.1

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About hydroquinone

What is this medication? Hydroquinone is a prescription topical medication primarily used as a skin-lightening agent to treat various forms of hyperpigmentation. It is commonly prescribed to fade dark spots, freckles, age spots, and melasma, which is a condition characterized by brown or gray patches on the skin often caused by hormonal changes or sun exposure. By reducing the accumulation of pigment in the skin, it helps to create a more even and uniform complexion for patients dealing with discoloration from acne scars or other skin injuries.

The medication works by inhibiting the activity of tyrosinase, an essential enzyme needed for the production of melanin in the skin. By limiting the amount of melanin produced, hydroquinone prevents new dark spots from forming while allowing existing ones to gradually fade over time. Because this treatment makes the skin more sensitive to ultraviolet light, it is crucial for users to apply sunscreen daily and avoid prolonged sun exposure while using the product. Most healthcare providers recommend using it for a limited duration to achieve the desired results safely.

Copay & patient assistance

Detailed copay and financial assistance information is not publicly available for this medication at this time. Please consult your pharmacist or the manufacturer's official patient support program for more details.

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Prescribing information

From the FDA-approved label for hydroquinone. Official source: DailyMed (NLM) · Label effective Jun 5, 2023

Indications and usage
INDICATIONS AND USAGE Hydroquinone USP, 4% Skin Bleaching Cream is indicated for the gradual bleaching of hyperpigmented skin conditions such as chloasma, melasma, freckles, senile lentigines, and other unwanted areas of melanin hyperpigmentation.
Dosage and administration
DOSAGE AND ADMINISTRATION Hydroquinone USP, 4% Skin Bleaching Cream should be applied to affected areas and rubbed in well twice daily, in the morning and before bedtime, or as directed by a physician. If no improvement is seen after 2 months of treatment, use of this product should be discontinued. There is no recommended dosage for pediatric patients under 12 years of age except under the advice and supervision of a physician.
Contraindications
CONTRAINDICATIONS Prior history of sensitivity or allergic reaction to hydroquinone or to any of the ingredients of the product. The safety of topical hydroquinone use during pregnancy or for children (12 years and under) has not been established.
Warnings
WARNINGS 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 non-asthmatic people. Since this product contains no sunscreen, an effective broad spectrum sun-blocking agent should be used and unnecessary solar exposure avoided, or protective clothing should be worn to cover bleached skin in order to prevent repigmentation from occurring. Hydroquinone may produce exogenous ochronosis, a gradual blue-black darkening of the skin. If this condition occurs, discontinue treatment and consult your physician. The majority of patients developing this condition are Black, but it may also occur in Caucasians and Hispanics.
Adverse reactions
ADVERSE REACTIONS The following adverse reactions have been reported: dryness and fissuring of paranasal and intraorbital areas, erythema, and stinging. Occasional hypersensitivity (localized contact dermatitis) may develop. If this occurs, the medication should be discontinued and the physician notified immediately.
Use in pregnancy
Pregnancy Teratogenic Effects Pregnancy Category C Animal reproduction studies have not been conducted with topical hydroquinone. It is also not known whether topical hydroquinone can cause fetal harm when administered to a pregnant woman or can affect reproduction capacity. Topical hydroquinone should be given to a pregnant woman only if clearly needed.

Label text is reproduced as-is from the FDA-approved label. We do not paraphrase, summarize, or omit. Content above is for informational purposes only and is not medical advice. Always consult your prescribing clinician or pharmacist before making decisions about your medication.

Conditions we've indexed resources for

Click a condition to see copay cards, grants, and PA rules specific to it. For the full list of FDA-approved indications, see Prescribing information above.

Prior authorization & coverage

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How this page is sourced

  • Drug identity verified against openFDA NDC Directory.
  • Label text (when shown) originates from NLM DailyMed.
  • Copay and assistance URLs verified periodically; if you hit a broken link, tell us.