- CAS No.: 85-27-8
- MW: 198.22 
- MF: C14H14O2
- EINECS No.: 201-741-3

Phenylethyl Resorcinol is an active compound used in the cosmetic and skincare industry for its skin-lightening and antioxidant properties. Here are its primary functions and applications:

1. Skin Brightening: Phenylethyl Resorcinol is known for its skin-brightening properties. It works by inhibiting tyrosinase, the enzyme responsible for melanin production, thereby reducing the appearance of dark spots, hyperpigmentation, and uneven skin tone.

2. Antioxidant: Like many resorcinol derivatives, Phenylethyl Resorcinol acts as an antioxidant, helping to neutralize free radicals and protect the skin from oxidative damage caused by environmental stressors.

Phenylethyl Resorcinol is a popular ingredient in various skincare and cosmetic products designed to target skin tone and pigmentation issues. Some common applications include:

1. Skin Brightening Creams and Serums: Phenylethyl Resorcinol is often formulated into creams, serums, and lotions aimed at reducing the appearance of dark spots, melasma, and post-inflammatory hyperpigmentation.

2. Anti-Aging Products: Due to its antioxidant properties, Phenylethyl Resorcinol can also be found in anti-aging skincare products, as it helps protect the skin from premature aging caused by free radical damage.

3. Spot Treatments: Some products use Phenylethyl Resorcinol as a targeted treatment for specific dark spots or areas of hyperpigmentation.