- CAS No: 123-31-9
- MW: 110.11
- MF: C6H6O2
- EINECS No.: 204-617-8

Hydroquinone is a chemical compound commonly used in skincare products for its skin-lightening properties. Here are its primary function and applications:

- Skin Lightening: Hydroquinone is a potent skin-lightening agent that works by inhibiting tyrosinase, an enzyme involved in the production of melanin. Melanin is the pigment responsible for the color of our skin, hair, and eyes. By inhibiting tyrosinase, hydroquinone reduces the production of melanin, leading to a reduction in the appearance of dark spots, hyperpigmentation, and uneven skin tone.

Hydroquinone is typically found in various skincare products designed to address issues related to hyperpigmentation and skin discoloration. Some common applications include:

1. Treatment of Hyperpigmentation: Hydroquinone is often used in creams, gels, lotions, and serums aimed at treating hyperpigmentation caused by sun exposure, acne scars, melasma, and other skin conditions.

2. Skin Lightening and Brightening: It is also used as an ingredient in products that aim to lighten the overall complexion and achieve a more even skin tone.

3. Spot Treatments: Hydroquinone can be found in spot treatments specifically formulated to target and lighten specific areas of dark spots or blemishes.