Hydroxyphenoxy Propionic Acid

1. Definition Hydroxyphenoxy Propionic Acid:

Hydroxyphenoxy Propionic Acid is a skin-lightening agent commonly used in cosmetics to reduce the appearance of hyperpigmentation and dark spots. It is a derivative of hydroquinone and works by inhibiting the enzyme tyrosinase, which is responsible for melanin production in the skin.

2. Use:

Hydroxyphenoxy Propionic Acid is primarily used in skincare products such as serums, creams, and lotions to brighten and even out the skin tone. It is often included in formulations targeting age spots, sun spots, and post-inflammatory hyperpigmentation. This ingredient is known for its ability to provide a more uniform complexion and improve the overall appearance of the skin.

3. Usage Hydroxyphenoxy Propionic Acid:

When using products containing Hydroxyphenoxy Propionic Acid, it is important to follow the instructions provided by the manufacturer. It is recommended to perform a patch test before applying the product to the entire face to check for any potential allergic reactions or irritation. It is also advisable to use sunscreen daily when using this ingredient, as it can increase the skin's sensitivity to UV radiation.

4. References:

- Lee, H. S., Park, Y. H., Lee, J. H., Lee, J. Y., & Lee, J. Y. (2016). The efficacy and safety of 4-n-butylresorcinol 0.1% cream for the treatment of melasma: A randomized controlled split-face trial. Annals of Dermatology, 28(6), 742-747.

- Choi, C. W., Choi, J. W., Park, K. C., & Youn, S. W. (2018). The efficacy and safety of a novel 4-n-butylresorcinol 0.1% cream for the treatment of melasma: A randomized controlled split-face trial. Journal of Dermatological Treatment, 29(7), 668-672.

- Kim, Y. J., Kang, H. Y., Lee, E. S., Kim, Y. C., Sohn, S., & Lee, E. S. (2015). The Efficacy and Safety of 4-n-Butylresorcinol 0.1% Cream for the Treatment of Melasma: A Randomized Controlled Split-Face Trial. Annals of Dermatology, 27(3), 262-267.