Hydroquinone is a topical skin-lightening agent used to treat: Hydroquinone works by inhibiting tyrosinase, the enzyme needed to produce melanin (skin pigment). This reduces the formation of new pigment and gradually fades dark spots. 📋 How to Use Hydroquinone Cream (Step-by-Step) ✅ Before You Start 🌙 Daily Use Routine (Night Only) ☀️ Daytime Care (Important!) ⏳ When Will You See Results? ⚠️ Warnings & Special Considerations RiskWhat to Know Ochronosis (rare) Long-term use (esp. over 4–6 months) can cause bluish-black pigmentation; avoid prolonged use. Irritation Redness, burning, peeling can occur — especially if overused. Sun Sensitivity You must use sunscreen daily or spots may worsen. Don’t use continuously Most dermatologists recommend “on-off cycling” (e.g., 3 months on, 1–2 months off). Not for full-face use