Hydroquinone is primarily used for hyperpigmentation, melasma, dark spots. The mechanism: Inhibits tyrosinase; also oxidises melanin precursors; potent depigmenting agent.
The scientific name is Hydroquinone. Inhibits tyrosinase; also oxidises melanin precursors; potent depigmenting agent. This mechanism is consistent across properly formulated products, which means the real variable is concentration and delivery system.
Typical working concentration is 2% (otc); 4%+ (rx). Best suited to all skin types (rx supervision) skin. Primary applications: hyperpigmentation, melasma, dark spots.
Works well with: SPF (mandatory), niacinamide. Avoid combining with: Hydrogen peroxide, benzoyl peroxide.
Prescription strength in many countries; requires breaks to avoid ochronosis.