A whitening (or brightening) serum is a lightweight, fast-absorbing skincare treatment designed to target hyperpigmentation, dark spots, and uneven skin tone. It actively reduces melanin production and neutralizes free radicals, promoting a luminous, even, and radiant complexion. 

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Common ingredients include:

• Vitamin C: A potent antioxidant that fades dark spots and boosts overall radiance.

• Niacinamide (Vitamin B3): Helps balance skin tone and reduces the intensity of blemishes.

• Alpha-Arbutin: Targets discoloration and lightens dark spots safely.

• Kojic Acid: Inhibits melanin production to treat stubborn sunspots and melasma.

• Hyaluronic Acid: Often added to provide deep hydration without greasiness