: This medication increases sun sensitivity. Using broad-spectrum sunscreen with an SPF of 30 or higher and wearing protective clothing is necessary to prevent further darkening of the skin and irritation.

Because hydroquinone requires a prescription, it cannot be purchased through standard retail websites. To obtain it correctly:

: If a prescription is issued, it should be filled through a licensed pharmacy. Legitimate online pharmacies in the United States often display credentials from the National Association of Boards of Pharmacy (NABP).

: Schedule an appointment with a dermatologist or a primary care physician. Many licensed providers now offer telehealth consultations where they can evaluate skin conditions like hyperpigmentation or melasma and determine if hydroquinone is a suitable treatment.