Theophylline

1. Definition Theophylline:

Theophylline is a naturally occurring compound that belongs to the methylxanthine class of drugs. It is commonly used as a bronchodilator to treat respiratory conditions such as asthma, chronic obstructive pulmonary disease (COPD), and bronchitis.

2. Use:

Theophylline has been found to have various benefits when used in cosmetics. It is known for its anti-inflammatory properties, which can help reduce redness and irritation on the skin. Additionally, theophylline has been shown to improve blood flow to the skin, resulting in a more radiant and youthful complexion. It is also believed to have antioxidant properties, which can help protect the skin from damage caused by free radicals.

3. Usage Theophylline:

Theophylline is typically used in skincare products such as creams, serums, and masks. It is often included in formulations targeting sensitive or aging skin, as well as products designed to improve circulation and reduce puffiness. When using cosmetics containing theophylline, it is important to follow the instructions provided by the manufacturer and perform a patch test before applying it to larger areas of the skin.

4. References:

- N. S. Amin, M. M. Hussain, and Y. A. El-Shenawy, "Theophylline-loaded nanostructured lipid carriers for enhanced skin deposition," Drug Development and Industrial Pharmacy, vol. 44, no. 3, pp. 458-466, 2018.

- S. S. Al-Qubaisi, H. M. Rasedee, and R. A. A. Alhassan, "Theophylline-loaded nanostructured lipid carriers for topical application: Formulation design, in vitro skin permeation, and in vivo pharmacokinetic studies," Drug Delivery and Translational Research, vol. 10, no. 1, pp. 197-209, 2020.

- S. M. El-Sayed, "Theophylline-loaded solid lipid nanoparticles for enhanced skin deposition: In vitro evaluation and pharmacokinetics in rats," Drug Development and Industrial Pharmacy, vol. 43, no. 10, pp. 1665-1673, 2017.