Clinical Overview & Therapeutic Mechanism

Reversible depigmenting agent that inhibits enzymatic oxidation of tyrosine to 3,4-dihydroxyphenylalanine.

Primary Clinical Indications

Melasma
Post-inflammatory hyperpigmentation
Solar lentigines

Dermatologist Practice & Safety Note:

Apply a pea-sized amount at bedtime to clean, completely dry skin. Avoid the peri-orbital eye contour and mucous membranes. Daily application of broad-spectrum SPF 50+ is mandatory during treatment.

Administration Protocol & Step-by-Step Directions

Preparation: Cleanse skin with a gentle soap-free cleanser and pat completely dry. Wait 15 minutes before application.
Application: Dispense a single pea-sized portion onto a fingertip and distribute evenly across the forehead, cheeks, and chin.
Frequency: Begin with twice-weekly application. Titrate frequency upward as epidermal tolerance develops.

Pharmacological Formulation & Administration

Active Ingredients

Hydroquinone 40mg/g (4% w/w), Sodium Metabisulfite, Citric Acid, Stabilised Cream Base.

Administration & Application

Apply a thin layer to hyperpigmented areas only, once or twice daily. Daily broad-spectrum sun protection is required.

Dispatch & Australian Tracking

Dispatches within 24-48h with registered express tracking

Hydroquinone 4% Cream

Clinical Medication Guide: Hydroquinone 4% Cream